S B.
asked • 10/07/18Help with algebra word problem
The simple interest earned by a certain amount of money varies jointly as the
rate of interest and the time (in years) that the money is invested. If $140 is
earned for the money invested at 7% for 5 years, how much is earned if the same
amount is invested at 8% for 3 years?
rate of interest and the time (in years) that the money is invested. If $140 is
earned for the money invested at 7% for 5 years, how much is earned if the same
amount is invested at 8% for 3 years?
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1 Expert Answer
5(0.07)m = 140
m = 400
3(0.08)(400) = $96
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Asdf A.
140 / .07 / 5 x .08 x 3 = $9603/05/19