Question

Chris invests $7,000 at 2% simple interest for a 1 year period. How much is in the account at the end of the 1 year period?

A normal adult resting pulse rate is:

Answer 1

`~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$7000\\ r=rate\to 2\%\to (2)/(100)\dotfill &0.02\\ t=years\dotfill &1 \end{cases} \\\\\\ A = 7000[1+(0.02)(1)] \implies A = 7000(1.02) \implies A = 7140`