nathernandez3 nathernandez3
  • 03-12-2021
  • Mathematics
contestada

If the simple interest on 5,000 for 3 years is 1,200 then what is the interest rate

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jdoe0001 jdoe0001
  • 03-12-2021

[tex]~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill&\$1200\\ P=\textit{original amount deposited}\dotfill & \$5000\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\dotfill &3 \end{cases} \\\\\\ 1200=(5000)\left( \frac{r}{100} \right)(3)\implies 1200=150r\implies \cfrac{1200}{150}=r\implies 8=r[/tex]

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