Answer:
I hope this one is right...
The answer is B.
Explanation:
Simple math, really
earnings/hours = money per hour.
35/4 is 8.75. So, Melissa earns 8.75 dollars per hour.
Holli earns 9.25 per hour. So, to find the answer you do 9.25 - 8.75.
Which is 0.5 or 50 cents.
Hope this helped :)