Mathematics, 25.01.2022 06:00 jademckinziemea
Ken’s sister borrowed $530 from the bank at 8.4% per year.
A) how much interest did she pay in one year
b) how much interest did she pay in three years
Answers: 1
![~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$530\\ r=rate\to 8.4\%\to \frac{8.4}{100}\dotfill &0.084\\ t=years\dotfill &1 \end{cases} \\\\\\ I=(530)(0.084)(1)\implies I=44.52 \\\\[-0.35em] \rule{34em}{0.25pt}](/tpl/images/2631/5971/24964.png)
P = Principle 
P = Principle 
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Ken’s sister borrowed $530 from the bank at 8.4% per year.
A) how much interest did she pay in one...
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