Question

Shorts are on sale for 10% off. If Kate buys 10 pairs of shorts at s dollars apiece, which expression is NOT equivalent to the situation stated?

A) 9s
B) 10s − 0.10(10s)
C) 10s − 0.10s
D) 10s − 1s

Answer 1

The correct answer is C

Explanation:

Answer 2

10 pairs of short cost 10s (without sale).

10% =0.1, and 10% off is

10s - 0.10*10s (B) = 10s -1s (D)

10s -1s = 9s (A)

Expression that does not match is (C),

correct answer is (C).