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Question

Part 1
During a​ sale, a dress decreased in price from ​$80 to ​$72
. What was the percent of​ decrease?

Answer 1

To calculate the percent decrease, you need to find the difference between the original price and the final price, and then divide that difference by the original price. Finally, multiply the result by 100 to express it as a percentage.

The difference between the original price and the final price is $80 - $72 = $8.
Dividing this difference by the original price: $8 / $80 = 0.1.
Multiplying the result by 100: 0.1 * 100 = 10.

Therefore, the percent decrease is 10%.