Answer:
62.5%
Explanation:
To find the percent decrease, we first need to find the difference between the original price and the sale price of each shirt. In this case, the difference is $48 - $18 = $30.
Then, we divide this difference by the original price and multiply by 100% to express the answer as a percentage. So, the percent decrease is:
(30 / 48) * 100% = 62.5%
Rounding to the nearest tenth, the percent of decrease in the price of the shirts is 62.5%, or approximately 62.5%.