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1 February, 11:37

A store is having a sale where school supplies are 30% off their original price. A backpack is on sale for $11.20. What was the original price for the backpack?

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  1. 1 February, 11:58
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    To find the original price, you could use a variable to represent the original price in this equation;

    Let p represent the original price

    .70 * p=11.20

    to solve this, we'd isolate the variable (p)

    p=11.20 :.70

    p=16

    The original price was $16
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