A customer pays $18 for a DVD that originally costs $20. What is the percent decrease in the cost of the DVD?

Question

Mathematics

Georgia Ochoa

13 October, 20:24

A customer pays $18 for a DVD that originally costs $20. What is the percent decrease in the cost of the DVD?

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Answers (1)

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Laci Hawkins · Answer 1

= 10 percent decrease

Step-by-step explanation:

Percent decrease = (original - new) / original * 100 percent

The original price was 20 and the new price is 18

= (20-18) / 20 * 100 percent

=2/20 * 100 percent

= 1/10 * 100 percent

= 10 percent decrease