A college student on summer vacation was able to make $5000 by working a full-time job
Chapter 0, Problem 30(choose chapter or problem)
A college student on summer vacation was able to make $5000 by working a full-time job every summer. He invested half the money in a mutual fund and half the money in a stock that yielded four times as much interest as the mutual fund. After a year he earned $250 in interest. What were the interest rates of the mutual fund and the stock?
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