Question: The regular price of an item at a store is p dollars. The item is on sale for 20 % off the regular price. Some of the expressions shown below represent the sale price, in dollars, of the item. Expression A: 0.2 p ,Expression B: 0.8 p, Expression C: 1-0.2 p ,Expression D: p-0.2 p, Expression E: p-0.8 p Which two expressions each represent the sale price of the item?
A) Expression A and Expression E
B) Expression B and Expression C
C) Expression B and Expression D
D) Expression C and Expression D
Correct answer: C
Grade: 7 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 7.EE.A.2