Answer:
Option B. 
Step-by-step explanation:
we have

Solve for w
That means ----> isolate the variable w
Multiply by 5 both sides to remove the fraction

subtract 8 both sides


Rewrite

12, because 4 rows and 3 sections in each
4x3=12
All you have to do is multiply the two numbers together
1.18 x 18.5 = 21.83