일차부등식 활용 문제 풀기(2-5) by 박연아 https://padlet.com/yuna7933/s8y7r53egh6pt8yp 학번 이름쓰세요. 점 3개 표시 눌러 그리기 기능을 이용하면 편합니다. en-us 2021-05-12 01:10:25 UTC 2025-04-13 14:12:58 UTC hello@padlet.com 20511 박세은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515928433 사다리꼴의 윗변의 길이=x
(x+15)ⅹ6ⅹ1/2 ≥ 60
3(x+15) ≥ 60
3x+45 ≥ 60
3x ≥ 60-45
3x ≥ 15
x≥5
5cm 이상]]> 2021-05-12 01:51:08 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515928433 20508 김효정 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515928820 x= 사다리꼴의 윗변의 길이
(x+15) x 6 x 1/2 ≥ 60
3(x+15) ≥ 60
3x+45 ≥60
3x ≥ 15
x ≥ 5]]> 2021-05-12 01:51:16 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515928820 20514신승환 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515928909 (x+15)x6x1/2>=60
3(x+15)>=60
3x+45>=60
3x>=15
x>=5]]> 2021-05-12 01:51:18 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515928909 20524전영현 383_202010223 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515928999 x=사다리꼴의 윗변의 길이
(x+15)x6x1/2>=60
(x+15)x6>=120
x+15>=20
x>=5]]> 2021-05-12 01:51:20 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515928999 20521 이주완 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515929311 (x+15)x6x1/2>_60
3x+45>_60
3x>_15
x>_5]]> 2021-05-12 01:51:26 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515929311 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515935217 20526조예현]]> 2021-05-12 01:53:22 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515935217 20526조예현 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515937513 Km=x
2/x+1/5<2
5x+2<20
5x<18
x<3.6]]> 2021-05-12 01:54:10 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515937513 20522 이주은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515938261 2021-05-12 01:54:25 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515938261 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515938316 20507김태윤
1/2×(x+15)×6>=60
(x+15)×6>=120
6x+90>=120
6x>=30
x>=5]]> 2021-05-12 01:54:27 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515938316 20514신승환 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515939038 x/4+12/60(1/5)+4<=2
5x+4+5x<=40
10x<=36
x<=36/10]]> 2021-05-12 01:54:43 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515939038 20523 장은수 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515939288 2021-05-12 01:54:49 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515939288 20503 김경하 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515940407  사다리꼴 윗변의 길이=x
(x+15)x6x1/2>_60
3x+45>_60
3x>_15
x>_5]]> 2021-05-12 01:55:10 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515940407 20502 김가은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515941805 (x+15)6x1/2 >_60
3x+45 >_ 60
3x >_ 15
x >_ 5]]> 2021-05-12 01:55:43 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515941805 20524전영현 383_202010223 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515943471 x=시간
x/4+12/60(1/5)+x/4<=2
5x+4+5x<=40
10x<=36
x<=36/10(=3.6)]]> 2021-05-12 01:56:19 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515943471 20511 박세은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515944215 2021-05-12 01:56:36 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515944215 20522 이주은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515946004 2021-05-12 01:57:18 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515946004 20518 윤은재 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515947035 (x+15)ⅹ6ⅹ1/2 ≥ 60
3(x+15) ≥ 60
3x+45 ≥ 60
3x ≥ 60-45
3x ≥ 15
x≥5]]> 2021-05-12 01:57:42 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515947035 20508 김효정 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515948850 x/4+12/60(1/5)+x/4 < 2
5x+4+5x < 40
10x < 36
x <36/10]]> 2021-05-12 01:58:25 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515948850 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515953495 20507김태윤 
x/4+12/60(1/5)+x/4<=2
5x+4+5x<=40
10x<=36
x<=36/10
x<=18/5]]> 2021-05-12 02:00:21 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515953495 20514신승환 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515953957 1200x+1000<=15000
1200x<=14000
x=14000/1200
11송이]]> 2021-05-12 02:00:32 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515953957 20521이주완 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515954038 x/4+12/60(1/5)+x/4<_2
5x+4+5x<_40
10x<_ 36
x<_36/10
x<_18/5
x<_3.6

]]> 2021-05-12 02:00:34 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515954038 20524전영현 383_202010223 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515954911 x=장미 몇송이
1200x+1000<=15000
1200x<=14000
x<=11, 2/3]]> 2021-05-12 02:00:55 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515954911 20522 이주은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515955237 2021-05-12 02:01:02 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515955237 20518 윤은재 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515955461 x/4+12/60(1/5)+x/4<=2
5x+4+5x<=40
10x<=36
x<=36/10]]> 2021-05-12 02:01:08 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515955461 20508 김효정 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515959006 1200x+1000 < 15000
1200x < 14000
x < 14000/1200

]]> 2021-05-12 02:02:32 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515959006 20514신승환 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515963049 x/2+x/3<=180/60
30x+20x<=180
50x<=180
x<=180/50
3.6km

]]> 2021-05-12 02:04:04 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515963049 20524전영현 383_202010223 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515964169 x=시간
x/2+x/3<=3
3x+2x<=18
5x<=18
x<=18/5(=3.6)]]> 2021-05-12 02:04:30 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515964169 20502 김가은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515965757 x/4+12/60+x/4 <_ 2
x/4+1/5+x/4 <_ 2
20(x/4+1/5+x/4) <_ 2x20
5x+4+5x <_ 40
10x <_ 36
x <_ 36/10
x <_ 3.6]]> 2021-05-12 02:05:10 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515965757 20514신승환 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515969025 87+89+x/3<=90
176+x/3<=90
176+x<=270
x<=-270/176
x>=94]]> 2021-05-12 02:06:31 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515969025 20524전영현 383_202010223 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515970371 x=세 번째 수학 시험 점수
x+87+89/3>=90
x+87+89>=270
x+176>=270
x>=94]]> 2021-05-12 02:07:03 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515970371 20503 김경하 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515971814 2021-05-12 02:07:37 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515971814 20511 박세은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515972871 최대 살 수 있는 장미의 개수=x
1200x+1000 ≤ 15000
1200x ≤ 15000-1000
1200x ≤ 14000
x ≤ 11.6666..
11송이]]> 2021-05-12 02:08:00 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515972871 20526조예현 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515972902 2021-05-12 02:08:01 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515972902 20502 김가은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515974412 1200x+1000 <_ 15000
1200x <_ 14000
x <_ 14000/1200
x <_ 35/3
11송이]]> 2021-05-12 02:08:36 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515974412 20522 이주은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515975495 2021-05-12 02:09:01 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515975495 20518 윤은재 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515977523 1200x+1000<=15000
1200x<=14000
x<=11]]> 2021-05-12 02:09:49 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515977523 20518 윤은재 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515979499 x/2+x/3<=180/60
30x+20x<=180
50x<=180
x<=180/50
3.6]]> 2021-05-12 02:10:36 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515979499 20502 김가은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515982775 x/2+x/3 <_ 3
6(x/2+x/3) <_ 3x6
3x+2x <_ 18
5x <_ 18
x <_ 18/5
3.6km]]> 2021-05-12 02:11:50 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515982775 20526조예현 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515984536 2021-05-12 02:12:26 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515984536 20521 이주완 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515985975 2021-05-12 02:12:58 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515985975 20502 김가은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515997414 (87+89+x)1/3 >_ 90
(176+x) >_90x3
176+x >_ 270
x >_ 270-176
x >_ 94
94점 이상]]> 2021-05-12 02:17:16 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1515997414 20511 박세은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516014998 2021-05-12 02:24:24 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516014998 20511 박세은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516033688 2021-05-12 02:31:46 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516033688 20502 김가은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516047429 x=30명 미만의 사람 수
1000x > 30000x75/100
1000x > 22500
x > 22500/1000
x > 22.5
23명 이상(23명 부터)]]> 2021-05-12 02:37:22 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516047429 20524전영현 383_202010223 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516085427 x=몇명
1000x>1000x30x75/100
1000x>22500
x>225/10(=22.5)

]]> 2021-05-12 02:52:24 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516085427 20514신승환 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516092482 1000x > 30000x75/100
1000x > 22500
x > 22500/1000
x > 22.5]]> 2021-05-12 02:55:28 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516092482 20518 윤은재 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516093225 87+89+x/3<=90
176+x/3<=90
176+x<=270
x<=-270/176
x>=94]]> 2021-05-12 02:55:47 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516093225 20518 윤은재 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516199901 1000x > 30000x75/100
1000x > 22500
x > 22500/1000
x > 22.5
23명 이상]]> 2021-05-12 03:50:39 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516199901 20511박세은 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516200098 입장한 사람 수=x
단체로 구매하지 않을 경우
=(1000ⅹx)원
단체로 구매할 경우=1000ⅹ30ⅹ75/100
=22500원
1000x > 22500
x > 22.5
23명 이상(부터)]]> 2021-05-12 03:50:47 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1516200098 20503 김경하 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1520259810 1200x+1000<_15000
1200x<_14000
x<_11]]> 2021-05-13 06:06:43 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1520259810 20503 김경하 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1520263555 6(x/2+x/3) <_ 3X6
3x+ 2x <_ 18
5x <_ 18
x <_ 18/5
x <_ 3.6]]> 2021-05-13 06:09:10 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1520263555 20503 김경하 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1520273508 87+89+x>_270
x>_270-176
x>_94]]> 2021-05-13 06:16:14 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1520273508 20503 김경하 https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1523189482 x=사람수
1000x>30X1000X0.75 
1000x>22500
x>22.5
23명 이상

]]> 2021-05-14 01:00:30 UTC https://padlet.com/yuna7933/s8y7r53egh6pt8yp/wish/1523189482