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Friday, August 18 2017 @ 03:48 AM CDT
 Forum Index >  Test Paper Related >  Primary 6 Matters
 P6 Math CA1 Rosyth 2011 (Q28)
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By: kyChang (offline)  Monday, February 20 2012 @ 09:15 PM CST (Read 1178 times)  
kyChang

Anybody can help as my answer is 30.


The ratio of the number of Donovan's stickers to the number of Hong Yi's stickers is 10:3.

After Donovan gave Hong Yi 1/5 of his stickers, Hong Yi had 30 stickers less than Donovan.

How many stickers did Donovan give it to Hong Yi?

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By: jenny EL (offline)  Wednesday, February 22 2012 @ 01:21 AM CST  
jenny EL

My answer would be 20.

Since HongYi gave 1/5, that makes the ratio 8:5 from 10:3
3 units -> 30
2 units or 1/5 of 10 -> 20

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By: kyChang (offline)  Wednesday, February 22 2012 @ 07:38 PM CST  
kyChang

Sorry i sotong Laughing Out Loud

My answer is 20 too, however the answer sheet is 29 Rolling Eyes
Just to check whether I am correct.

Million Thanks!!

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