Question

What is the solution to 0.4x - 4 < 2.4?

A.
x < -4
B. x < -2
C. x < 10
D.
x < 16

Answer 1

0.4x - 4 < 2.4
0.4x < 2.4 + 4
0.4x < 6.4
x < 16
Answer: D) 16

Answer 2

x < 16

Explanation:

0.4x - 4 < 2.4

Add 4 to each side

0.4x - 4+4 < 2.4+4

0.4x < 6.4

Divide each side by .4

0.4x /.4 < 6.4/.4

x < 16