math
posted by kahlil .
Tom had some money. He spent $330 on books and 3/5 of the remainder on toys. After that, he had 1/4 as much money as he had first. How much money did Tom has left?

math 
PsyDAG
Let x = amount of money at first
x  330  .60(x330) = .25x
Solve for x, then .25x.
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