Mathematics, 30.01.2020 10:58 motionlessinwhite18
The interest earned on an account varies directly with the balance in the account. if an account with a balance of $200 earns $12.5 in interest, find the amount of interest earned on an account with a balance of 500
Answers: 2
![\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}](/tpl/images/0485/5888/894da.png)
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The interest earned on an account varies directly with the balance in the account. if an account wit...
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