Last Friday, this puzzle appeared in Ripley's Believe It or Not! After a day of shopping, your have $9.60 in change in your pocket. If the money consists of equal numbers of 25-cent, 10-cent and 5-cent pieces, how many of each would you have? Before tackling this problem, think for a moment about how you might solve it. Here is the same puzzle restated, with all the extraneous information removed. If one set of money (a quarter, dime and nickel) totals 40¢, how many sets will total $9.60? How would you solve it now? The purpose of a puzzle is to . . . .
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