7
Answer: ASet 1: Linear Inequalities (Advanced)
Explanation
PROBLEM
A shop sells items for at least 150 percent of cost. If cost is $40, minimum selling price?
A shop sells items for at least 150 percent of cost. If cost is $40, minimum selling price?
A.✓ Correct
60
B.
50
C.
100
D.
55
Detailed Explanation
Choice A is the best answer. 1.5 times 40 = 60
Why others are wrong:
B: 50 is incorrect because it does not satisfy the equation.
C: 100 is incorrect because it does not satisfy the equation.
D: 55 is incorrect because it does not satisfy the equation.