3 years ago

Ann is one chapter in a book. The book has 31 chapters. What percent has Ann read?

1 answer:

7 0

She has read about 3.2% of the book. 1 divided by 31 is 0.03225. Move the decimal point to the right 2 times, then round if needed. Hope this helped!

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3 years ago

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Simple interest I in dollars is calculated using the formula I=prt, where p represents the principal, or amount in dollars tha

Sergeeva-Olga [200]

and we do this one the same way as the other.

$\bf ~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill&\$540\\ P=\textit{original amount deposited}\dotfill & \$4800\\ r=rate\to 4.5\%\to \frac{4.5}{100}\dotfill &0.045\\ t=years \end{cases} \\\\\\ 540=(4800)(0.045)t\implies \cfrac{540}{(4800)(0.045)}=t\implies 2.5=t$