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P5 Mathematics

Question post on Fri, 08/04/2022 8:07pm

I would appreciate help with these 2 questions. Thanks in advance.

ChiefKiasu · Answer 1 · Post on Fri, 08/04/2022 9:37pm

25. Let M be the amount of money Gregory has at first.

4/9(M – 135) = 2/9(M)
M – 135 = (9/4) (2/9)(M)
M – 135 = M/2
2M – 270 = M
M = 270 #

ChiefKiasu · Answer 2 · Post on Fri, 08/04/2022 9:27pm

Thanks Priskhipo!

Here’s my attempt using equations:

24.

Let x be the amount of stamps each person gives away.

(168 – x) / (213 – x) = 3/8
8 (168 – x) = 3 (213 – x)
1344 – 8x = 639 – 3x
So, 5x = 705
=> x = 141

So together, the number of stamps given away is 141*2 = 282 #

Priskhipo · Answer 3 · Post on Fri, 08/04/2022 8:46pm

Priskhipo · Answer 4 · Post on Fri, 08/04/2022 8:46pm

Priskhipo

Post on Fri, 08/04/2022 8:46pm

MagicBeans368 · Answer 5 · Post on Fri, 08/04/2022 9:15pm

MagicBeans368 Post on Fri, 08/04/2022 9:15pm

Thank you very much…