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Friday, November 17 2017 @ 08:52 PM CST
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 Pls Help Solve this Math Question
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By: pillai (offline)  Saturday, October 22 2011 @ 07:56 AM CDT (Read 1208 times)  
pillai

Samuel had four times as many stamps as Mitchell at first. When both added an equal number of stamps to their collection, Mitchell had 60 stamps and Samuel had thrice as many stamps as Mitchell. How many stamps did each of them add to their collection?
Ans: 22

Pls help! Frown

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By: GIM (offline)  Saturday, October 22 2011 @ 09:01 AM CDT  
GIM

At first :
S --- 4 units
M --- 1 unit

later :
Added same number of stamps, let it be X
S ---- X + 4 units= 3 x 60 = 180
M --- X + 1 unit = 60

Therefore,
3 units ---- 180 - 60 = 120
1 unit ---- 120 / 3 = 40

Added stamps : 60 - 40 = 20 stamps

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By: pillai (offline)  Sunday, October 23 2011 @ 01:26 AM CDT  
pillai

Hi GIM,

Thanks for your prompt assistance Smile
So the answer in the answer sheet is incorrect.

Cheers!

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