SOLUTION: If Tom gives Mary 15 cents, they will have equal amount of money. But if Mary then gives Tom 50 cents, he will have twice as much money as she does. How much money does each have?
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Question 468240: If Tom gives Mary 15 cents, they will have equal amount of money. But if Mary then gives Tom 50 cents, he will have twice as much money as she does. How much money does each have? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! If Tom gives Mary 15 cents, they will have equal amount of money. But if Mary then gives Tom 50 cents, he will have twice as much money as she does. How much money does each have.
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let x=Money Tom originally started with
let y=Money Mary originally started with
..
x=y+15
(x+50)=2(y+15)
x+50=2x
x=50
y=x-15=50-15=35
ans:
After the exchange:
Tom had 50ç plus the 50ç Mary gave him=$1.00
Mary had 35ç plus the 15ç Tom gave her=50ç
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