SOLUTION: Wyatt spend 1/4 of his money on a train set and 1/2 on tickets to a play. He now has $18 left. How much money did Wyatt start with? Explain how you came up with your answer.

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Question 773086: Wyatt spend 1/4 of his money on a train set and 1/2 on tickets to a play. He now has $18 left. How much money did Wyatt start with? Explain how you came up with your answer.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = the amount he started with
He spent +1%2F4+ and then +1%2F2+ of his money
+1%2F4+%2B+1%2F2+=+3%2F4+
He spent +3%2F4+, so he has +1%2F4+ left
given:
+18+=+%281%2F4%29%2Ax+
+x+=+72+
He started with $72