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Bumek [7]
2 years ago
6

Alan borrowed $570 for a new bed. He made 9 monthly payments to repay the loan. He

Mathematics
1 answer:
stepladder [879]2 years ago
4 0

~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill &\$45\\ P=\textit{original amount deposited}\dotfill & \$570\\ r=rate\to r\%\to \frac{r}{100}\\ t=months\dotfill &9 \end{cases} \\\\\\ 45 = (570)(\frac{r}{100})(9)\implies \cfrac{45}{(570)(9)}=\cfrac{r}{100}\implies \cfrac{1}{114}=\cfrac{r}{100} \\\\\\ \cfrac{100}{114}=r\implies \stackrel{\%}{0.88}\approx r

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1 year ago
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dalvyx [7]

Step-by-step explanation:

easy to look up : mili stands for 1/1000

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this is the same question as into how many parts of 25 can 4500 be split ? or, how often does 25 fit into 4500 ?

all this is done by division :

4500 / 25 = 180

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7 0
2 years ago
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Elimination:

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2 years ago
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