$20 $17 − − 100% p % cross m u lt i pl y 20 p = 17 ⋅ 100 / : 20 p = 20 1700 p = 85 ( % ) 100% − 85% = 15% ← A n s w er
original price of shirts = $ 20 new price of shirts = $17 decrease in price = $20 - 17 = 3 % decrease = 3/20 x 100 = 15%
The percentage decrease in the price of the shirts is 15%. This is calculated by finding the difference in price and dividing it by the original price, then multiplying by 100. So, with a decrease of $3 from $20, the percentage decrease is 15%.
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