Difference in base price — $200–$125=$75
Difference in hourly charge — $18–$12=$5
Number of hours for which computer repair shop will cost the same = 75/5
=15 Hours
This is true. The word equal in equality will help, each side of the equation in the in(equal)ity should be done the same.
I would say 465 since they go back and forth twice which is 155 x 3
