Refer to the table and graph below. How much does A Plus Plumbing cost 5 points for each hour of work, and what is the one-time fee? Explain or show your
reasoning.
Two plumbing companies charge money for each hour of work, plus a one-time fee.
A Plus Plumbing charges according
to this table:
time (hours)
cost (dollars)
1
140
4
320
6
440
Quality Plumbing charges
according to this graph:
250
200
cost (dollars)
150
100
50
6
ON
2 3 4 5
time (hours)
lo