Question

marsha deposited 9500 into a savings account 4 years ago the simple interest rate is 5percent how much money did marsha earn in interest

Answer 1

`~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$9500\\ r=rate\to 5\%\to (5)/(100)\dotfill &0.05\\ t=years\dotfill &4 \end{cases} \\\\\\ I = (9500)(0.05)(4) \implies I = 1900`