The bill for the repair of a car was $420. The cost of parts was $240. The cost of labor was $45 per hour. How many hours did the repair take?
1 Answer
Mar 16, 2018
4 hours
Explanation:
the bill for the repair of a car was $420. This means the equation is going to equal (=) 420.
420 - 240 = 180.
Subtract the cost of parts from the total bill.
Now the cost of labor was $45 per hour. Now let's figure out what 180 ÷45 = ?
it's 4.