Mathematics, 12.01.2020 21:31 lekab0001
Trent invests $8700 in two different accounts. the first account paid 4 %, the second account paid 8 % in interest. at the end of the first year he had earned $540 in interest. how much was in each account
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Answers: 3
![\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{4\% of a}}{\left( \cfrac{4}{100}\right)a\implies 0.04a}~\hfill \stackrel{\textit{8\% of b}}{\left( \cfrac{8}{100} \right)b\implies 0.08b} \\\\[-0.35em] ~\dotfill](/tpl/images/0452/0631/e2c9a.png)
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Trent invests $8700 in two different accounts. the first account paid 4 %, the second account paid 8...
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