Question

which math expression means \the difference of 40 and 12\?
a. 40 · 12
b. 40 + 12
c. 40 ÷ 12
d. 40 - 12

Explanation:

Step1: Recall arithmetic operation terms

The word "difference" in math refers to subtraction.

Step2: Analyze each option

A. $40\cdot12$ is multiplication.
B. $40 + 12$ is addition.
C. $40\div12$ is division.
D. $40 - 12$ is subtraction which represents the difference of 40 and 12.

Answer:

D. $40 - 12$