Question

A number is multiplied by 4. That result is added to 12. The final number is 40.

What is the original number?
A .2
B. 7
C.13
D. 22

Answer 1

B) 7

Explanation:

Let the number be x

4x + 12 = 40

4x = 40 -12

4x =28

x = 28/4

x = 7