B. 23
Hope this helps!!!!!!
What we want to do first is isolate the variable. To do this we need to multiply each side by 5 to remove the fraction
5 * 5 = 5*

w
Simplify the right side
5 *

w = 1w
Now simplify the left side
5 * 5 = 25
Then we get...
25 = w
There's your answer!
Answer:
200 x .39
Step-by-step explanation:
200 x .39= 78
1 hour = 60 min
0.5 hours = 60 * 0.5 = 30 min.