MATH SOLVE

4 months ago

Q:
# A costumer pays $18 for a DVD that originally cost $20. What is the percent decrease in the cost of the DVD? A.2% B.10% C.11% D.18% Barbra chose c as the correct answer. How did she get that answer?

Accepted Solution

A:

Answer:11%Step-by-step explanation:Percentage decrease is gotten with thus formula.Actual price - Old Price= New priceNew price/Old Price * 100/1From the above question.. $18= Old price , $20= New price So 20-18 = 2(New Price) 2/18 *100 = 0.11 * 100 = 11%