Answer:
8
Step-by-step explanation:
the answer is c 4 hours because it's 75 per hour
y = -1/5x + 13.2
y = -1/5x + b
12 = -1/5(6) + b
12 = -6/5 + b
13.2 = b
Hope you could understand.
If you have any query, feel free to ask.
