During the campus Spring Fling, the bumper car amusement attraction has a problem of cars becoming disabled and in need of repair. Repair personnel can be hired at the rate of $20 per hour, but they only work as one team. Thus, if one person is hired, he or she works alone; two or three people work together on the same repair. One repairer can fix cars in an average time of 45 minutes. Two repairers take 30 minutes, and three take 20 minutes. While these cars are down, lost income is $40 per hour. Cars tend to break down at the rate of 1.00 per hour. Management is trying to decide how many repair persons to hire, and has asked you for cost data. a. What is the total hourly cost with one repair person? b. What is the total hourly cost with two repair persons? c. What is the total hourly cost with three repair persons?
During the campus Spring Fling, the bumper car amusement attraction has a problem of cars becoming disabled and in need of repair. Repair personnel can be hired at the rate of $20 per hour, but they only work as one team. Thus, if one person is hired, he or she works alone; two or three people work together on the same repair.
One repairer can fix cars in an average time of 45 minutes. Two repairers take 30 minutes, and three take 20 minutes. While these cars are down, lost income is $40 per hour. Cars tend to break down at the rate of 1.00 per hour.
Management is trying to decide how many repair persons to hire, and has asked you for cost data.
a. What is the total hourly cost with one repair person?
b. What is the total hourly cost with two repair persons?
c. What is the total hourly cost with three repair persons?
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