A jacket has an original price of \(\$120\). It is on sale for \(30\%\) off. What is the final sale price of the jacket?
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What this problem is really about
Thirty percent off names the discount removed from the original one-hundred-twenty-dollar price, not the final amount paid. We’ll calculate the discount, subtract it from the original, and keep dollars attached. Multiplying the original by the complementary percent paid gives a second route to the same sale price.
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