Answer :
Let C represent the total cost, and H represent the number of hours...
C = $25 + $8.50(H)
So for this problem...
C = $25 + $8.50x4
C = $25 + $34
C = $59
C = $25 + $8.50(H)
So for this problem...
C = $25 + $8.50x4
C = $25 + $34
C = $59