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You are encouraged to use the following as part of your revision for the test.

TEXTBOOK 1A
Algebra
Revision Exercise A1 (p121)
Revision Exercise A2 (p122)

TEXTBOOK 1B
Percentages; Ratio, Rate & Speed
Revision Exercise C1 (p141)
Revision Exercise C2 (p142)

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1. You are assigned 1 question.
2. Post the worked solution of the question you are assigned. You may post your worked solution for other questions too.

You may look at what your classmates have posted (for other questions) and give your feedback to your classmates (e.g. an affirmation or a suggestion if you spotted a mistake or if you have an alternative method to offer).

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yes

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Aravind why did thou not do

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25

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2(15-4x) - (-7x + 4 + 5x + 7)
=30 - 8x + 7x + 4 + 5x + 7
= 30 + 4 + 7 -8x +7x + 5x
= 41 + 4x

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24:15:20
22500*5=112500
24*15*20=7200
112500/7200=15.65
15.625*20=312.5
312.5/100=3.125

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Gerald

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This is an example of how a "long" question can look like, testing several concepts within a same context

Source: Workbook 1B (p28)