Solve.The formula for calculating simple interest is I = prt. If the amount of interest, I, is $45.00, the principal (amount of money invested), p, is $250.00, and the rate of interest, r, is 2%, find the amount of time, t.

A. t = 9 yr
B. t = 2.25 yr
C. t = 0.9 yr
D. t = 225 yr


Answer: A

Mathematics

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