Question

Which expression represents the calculation “subtract 3 from 7, then multiply by 9"? A) (3 − 7) × 9 B) 7 − (3 × 9) C) 9 − (7 × 3) D) 9 x (7 − 3)

Answer 1

D. 9 x (7 - 3)

Explanation:

Subtracting 3 from 7 is (7-3), then multiplying by 9 is (7-3)x9.

Answer 2

A. Because it says three subtracted from seven so that goes first in the parentheses