Math semester assignment by Jaden Alvaro Frederico

The sick shades

30jadenfrederico — 2024-10-17 16:11:46 UTC

Aaron's question: The value of the sunglasses is 16,000 Rp. He tips the cashier and ends up paying 20,000 Rp.

how much did he tip?

The equation:

Rp. 16,000 + x = Rp. 20,000

x= Rp. 20,000 - Rp. 16,000

x = Rp. 4,000

He tip Rp. 4000.

The airport

30jadenfrederico — 2024-10-17 16:25:38 UTC

Aaron's question: Oswald was getting ready for his trip to go to Thailand. but first, he bought a plane ticket to go there.

An economy plane ticket costs x. Oswald has 5 family members that went with him. It cost them 36,000,000 Rp. Find the value of x.

It's because Oswald and is family is altogether a total of 6 people.

The equation:

6x = Rp. 36,000,000

x = 36,000,000 : 6

x = 6.

The value of x is 6.

Food

30jadenfrederico — 2024-10-17 16:34:49 UTC

Oswald went to go eat this today for lunch.

Jaden's question: Let's call this dish, dish x. This cost 50,000 Rp. Dish y is 17,000Rp more than twice of dish x. Find the cost of dish y.

y = 17rb + 2x

y = 17rb + 2(50,000 rp)

y = 17,000 rp + 100,000 rp

y = 117,000

dish y costs 117,000 rp

30jadenfrederico — 2024-10-17 16:48:04 UTC

After he arrived, he bought these.

Oswald's question: If they bought one of the trays for 20,000 Rp and the other one for x. If they payed 50,000 Rp in total, how much is x.

The equation: 20,000 Rp + x =50,000 Rp

x=50,000 Rp - 20,000 Rp

x=30000 Rp

The temple

30jadenfrederico — 2024-10-17 16:53:26 UTC

Oswald has visited the temple! Oswald’s question: For every x kilometers he travels, he pays the taxi 6,000 Rp. If he pays 54,000 Rp, how much kilometers did he travel.

The equation:

6,000x Rp=54,000 Rp

X= 54,000 Rp / 6,000x

X=9km

Oswald travelled 9 kilometers

30jadenfrederico — 2024-10-18 00:22:16 UTC

Today is Oswald's last day here. Before Oswald went he decided to buy a souvenir.

Aaron's question: The first souvenir cost x.

the second souvenir cost 5 times as much as the first.

The cost of the second souvenir is Rp. 55,000

How much does the first souvenir cost?

The Equation:

first souvenir = x

second souvenir = 55,000 = 5x

x = 55,000 : 5

x = 11.

The cost of the first souvenir is Rp. 11,000.

6

oswaldlouis — 2024-10-18 00:36:49 UTC

Oswald's question: The ticket cost 180,000 Rp to enter the temple. 1 Person ticket cost x, and there were 6 people. But Oswald’s brother was young enough to get a free ticket. So how much did they pay?

The equation:

5 x 180,000 = x

X= 900,000 Rp

In total they payed 900,000 Rp to enter the temple

30jadenfrederico — 2024-10-18 00:48:16 UTC

Jaden's question: They were also eating Tom yum. Oswald grabs x scoops. His brother grabs 2x scoops. His dad grabs 2x + 3 scoops. And his mom grabbed 2 scoops. If they grabbed 20 scoops of tom yum altogether, how many scoops is x.

x + 2x + 2x + 3 + 2 = 20

5x + 5 = 20

5x = 20 - 5

5x = 15

x = 5

x = 5 scoops

Hotel stay

oswaldlouis — 2024-10-18 03:10:56 UTC

Jaden’s question: Oswald goes to a hotel. For everyday, he pays x for 1 room. He stays here for 3 days and pays for 2 rooms. He ends up paying 3,000,000 Rp. How much is x.

3,000,000 rp = 2(3x)

3,000,000 rp / 2 = 3x

1,500,000 rp = 3x

500,000 = x

one room for one day costs 500,000 rp

oswaldlouis — 2024-10-18 05:22:47 UTC

Nelson’s question: I went to the supermarket and bought many snacks from Thailand. If I spent 15,000 Rp on 1 gum packet / g. And I bought 5 gum packets / 5g, how much did I spend.

cost = C

C = 5g

C = 5 (15,000rp)

C = 75,000 rp

he spent 75,000 rp on 5 gum packet

30jadenfrederico — 2024-10-18 06:31:39 UTC

Oswald bought some ice cream. Nelson's Question: He bought three scoops. One scoop costs x. because he bought three, he got a discount of 11,000 Rp less. If he paid 49,000 Rp, how much is the cost of a scoop.

The equation: 3x-11,000 rp = 49,000 rp

3x = 49 rb + 11 rb

3x = 60 rb

x = 20rb

The answer is 20rb

Comments on Exploration

2024-11-27 16:01:11 UTC

Group has shown minimum collaborative work. There has been no drafting or proof reading done before submission. Very simple mathematics used and many errors with key terms, expressions and units.