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What is the original price of the tennis racquet if it is 30% off and the sale price is $21

1 Answer

4 votes

sale price = $21

30% off is

let

x = original price


\begin{gathered} (30)/(100)x=21 \\ 30x=2100 \\ x=(2100)/(30) \\ x=\text{ \$70} \end{gathered}

The original price = $70

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