SOLUTION: The interest on an investment varis directly as the rate of interest. If the interest is $48 when the interest rate is 5%, find the interest when the rate is 4.2%.My math book does
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Question 369601: The interest on an investment varis directly as the rate of interest. If the interest is $48 when the interest rate is 5%, find the interest when the rate is 4.2%.My math book doesn't give any examples on how to solve these kinds of word problems. Answer by Fombitz(32388) (Show Source):
