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April 19, 2014

Homework Help: math

Posted by sherry on Thursday, February 14, 2013 at 11:28am.

a formula for calculating simple interest is I = Pr, were I is the interest earned in dollars, P is the principal or original investment, and r is the fixed rate of interest. If the amount of interest earned is $2.25 and the interest rate is 3%, what is P?

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