Which whole numbers less than 10 are solutions of 4x-8<4?

Question

A. 1, 2, 3, 4
B. 0, 1, 2, 3
C. 0, 2, 4, 6
D. 1, 2, 3, 5

Answer 1

C. 0, 2, 4, 6

By plugging in each value for x:

4(0) - 8 < 4
0 - 8 < 4
-8 < 4 (true)

4(2) - 8 < 4
8 - 8 < 4
0 < 4 (true)

4(4) - 8 < 4
16 - 8 < 4
8 < 4 (false)

4(6) - 8 < 4
24 - 8 < 4
16 < 4 (false)