Answer:
The production of 180 cars takes 18 hours.
Step-by-step explanation:
Produce cars = 60
Total hours = 6
Production of 60 cars take = 6 hours
Production of 1 car take = 6/60 hours
Production of 180 cars take = 6/60 * 180 hours
=> 6 * 3
=> 18 hours
Therefore, the production of 180 cars takes 18 hours.