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Mathematics 8 Online
OpenStudy (anonymous):

Find the missing value- I=$68.75,P=?,r=5%,t=5 years

OpenStudy (jdoe0001):

\(\bf \textit{simple interest formula}\qquad i = prt\\ i = \textit{interest}\\ p = \textit{principal or original deposit}\\ r=\textit{rate in decimal format, that is }5\%=\cfrac{5}{100}\\ t = \textit{years}\) you have everything but "p" amount so just plug in your given values and solve for "p"

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