A plumber charges $45 an hour. If the plumber charged Luke $180, how many hours did she work?
3.5 hours
O 3 hours
O 4.5 hours
4 hours
1 answer
To find the number of hours the plumber worked, divide the total charge of $180 by the hourly rate of $45: 180/45 = <<180/45=4>>4 hours. Answer: \boxed{4}.
1 answer