Car repair the total cost of repairing a car is the sum of the amount
paid for parts and the amount paid for labor. you paid $78 for parts
and $45 for each hour of labor. the total cost to repair the car was
$168. how many hours did it take to repair the car?
1 copy and complete the verbal model.
total cost
for repairs
=
?
+
cost for each
hour of labor
•
?
2 let h represent the number of hours spent on labor. write an
equation based on your verbal model.
3 solve the equation to find how many hours it took to repair
the car.