Answer:
1. 17.6
2. 8.8
3. 4.79
4. 3.92
A. A Plus Plumbing company charges $60 per hour and $80 as a one-time fee cause 320-140/4-1 equals 180/3 equals 60 and y-140=60(x-1)
y=60x-60+140
y=60x+80
B is the correct answer
