Answer:
<h2>54</h2>
Step-by-step explanation:


Answer: The mechanics spent about 8.5 hours working on the car
Step-by-step explanation: The total bill was $637, a portion of that being getting the parts which was $280. 637-280=357
357/42=8.5
Answer:
t
f
t
t
f
f
Step-by-step explanation: