A.
We want an inequality whose answer is w<5.2
B.
If we were given the inequality, "w<5.2" would be the last step of a sequence of simplification steps.
C. Let's reverse the process, by adding or multiplying:
w<5.2
add 0.8 to both sides:
w+0.8 < 6
multiply by 3:
3w+2.4 < 18
multiply by -1:
-3w-2.4>-18
add 5w to both sides:
2w-2.4>5w-18
Answer: by reversing the process of solving an inequality, as in the example shown.