Question

If a = 4 and b = 2, what is the value of the following expression?

3(a + 4b)-6
A. 29
B. 42
C. -18
D. 30

Answer 1

The correct answer is D. 30.

Answer 2

D) 30

Explanation:

3(a + 4b)-6 = 3 ( 4 + 4*2) - 6

= 3( 4+8 ) - 6

= 3*12 - 6

= 36 - 6 =30