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OpenStudy (anonymous):
Solve the following question backward. Liza earned some money delivering newspapers. She bought a battery for $1.95, and gave her mother $30. She bought a ring for $7.20, and then spent half of the remaining money on a radio. If Liza has $38.50 left, how much money did she earn delivering newspapers?
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OpenStudy (anonymous):
\[$38.50 = A - \left(\begin{matrix}1 \\ 2\end{matrix}\right)(A-$7.20-$30-$1.95) - $7.20 - $30 - $1.95\]
OpenStudy (anonymous):
A = $116.15
OpenStudy (anonymous):
Thanks!
OpenStudy (anonymous):
Your welcome. Happy to help!
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