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 By: tangara (offline)  Thursday, July 07 2011 @ 03:20 AM CDT (Read 1569 times)
tangara

Hi,

I am stumbled by this Maths question below:-

Simeon and Alvin had 116 marbles at first.
After Simeon bought another 8 marbles and Alvin gave away 20 of his marbles to his sister,
they both had the same number of marbles left. How many marbles did Alvin have at first?

I hope someone can explain how to get the answer.

Junior

Registered: 07/31/10
Posts: 26

 By: acyk (offline)  Saturday, July 09 2011 @ 08:41 PM CDT
acyk

After: Total marbles = 116 +8 -20 = 104
since marbles of Simeon's = Alvin's, each will have 104/2 = 54
Before: Alvin = 54 + 20 = 72

Newbie

Registered: 05/24/11
Posts: 9

 By: tangara (offline)  Monday, July 11 2011 @ 10:25 AM CDT
tangara

Thank you ACYK.

Junior

Registered: 07/31/10
Posts: 26

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