SOLUTION: three-quarters of mike's money was spent at the electronics store. he had $10 left. how much money did mike have before?

SOLUTION: three-quarters of mike's money was spent at the electronics store. he had $10 left. how much money did mike have before?

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Question 1021470: three-quarters of mike's money was spent at the electronics store. he had $10 left. how much money did mike have before?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Well, if he spent 3/4 of his money, then 1/4 of it is left. Thus the ten dollars he has left over is 1/4 of what he started with, right? Call that amount x. We write
(1/4)x = 10
Now multiply by four and get
x = $40
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