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Stacey bought a shirt for $20. Amy got the same shirt a week later during a sale. Amy got hers for $11. What was the percent of discount? Show your work.

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Answer:

        45%

Step-by-step explanation:

To find the percent discount , we take the old price and subtract the new price and divide by the old price

discount = (old - new)/ old * 100 percent

               = (20-11)/20 * 100 percent

                = 9/20 * 100 percent

                     .45 * 100 percent

                45%

Answer: 45%

Step-by-step explanation: 9 dollars out of 20 dollars where saved making the fraction 9/20 in decmil form 9/20 is 0.45 and in percentage form 0.45 is 45%

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