Susan wants to hire one of two mechanics to repair her car. Each mechanic charges a one-time fee in addition to an hourly rate.
Mechanic A charges a one-time fee plus $35 per hour. A repair made by Mechanic A that takes 5 hours to
complete will cost a total of $225.
This table shows the total cost, including the one-time fee, for repairs made by Mechanic B that take
different numbers of hours to complete
Mechanic B
Time
(hours)
Total Cost
(dollars)
1
80
2.
120
3
160
4.
200
5
240
6
280
How much more money in dollars does Mechanic A charge for the one-time fee than Mechanic B
charges?