Question

Which answer choice represents the difference of 20 and 3 times a number?

A. 3j + 20
B. 20(3j)
C. 20 – 3j
D. (20 · 3)j

Answer 1

C

Explanation:

The word “difference” tells us that this is a subtraction problem

the words “three times a number” tells us that the variable will be multiplied by three

therefore it is C, 20-3j