Set 2: Linear Inequalities (Advanced)

**Choice C is the best answer.** 0.8 times 80 = 64

Explanation

Answer: C

PROBLEM

A store marks down items by at least 20 percent. Original $80. Maximum sale price?

A.

70

B.

75

C.

64

✓ Correct

D.

60

Detailed Explanation

Choice C is the best answer. 0.8 times 80 = 64

Why others are wrong:

A: 70 is incorrect because it does not satisfy the equation.

B: 75 is incorrect because it does not satisfy the equation.

D: 60 is incorrect because it does not satisfy the equation.