SOLUTION: Amanda, Richard and Sally get £45 from their grandmother, to be shared in the ratio of their ages. Their ages are 5, 7 and 3. How much money do each of them get?

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Question 1035803: Amanda, Richard and Sally get £45 from their grandmother, to be shared in the ratio of their ages.
Their ages are 5, 7 and 3.
How much money do each of them get?
Answer by FrankM(1040) About Me  (Show Source):
You can put this solution on YOUR website!
5, 7, and 3 add to 15.
So the fractions for any sum will be
+5%2F15,+7%2F15,3%2F15
The result is 15,21,9 respectively.