Asked by anagha

Sam saved 4/7 of his paycheck and spent 2/5 of the remaining money. He was then left with $9. What was the original value of Sam's paycheck?
Answered by anagha
5/2
Answered by Steve
the amount left was

(1 - 4/7)(1 - 2/5) = 3/7 * 3/5 = 9/35 of the original amount.

So, 9/35 x = 9
x = 35
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