Solve.
-The simple interest earned by an amount of money varies jointly as the rate of interest and the time in years that the money is invested. If $120 is earned by money invested at 12% for 2 years, how much would be earned by the same amount invested at 13% for 3 years?

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The Answer of Solve.
-The simple interest earned by an amount of money varies jointly as the rate of interest and the time in years that the money is invested. If $120 is earned by money invested at 12% for 2 years, how much would be earned by the same amount invested at 13% for 3 years?

Solve. -The Simple Interest Earned by an Amount of Money Varies