Question: A laundromat has 5 washing machines. A typical machine breaks down once every five days. A repairman can repair a machine in an average of

A laundromat has 5 washing machines. A typical machine breaks down once every five days. A repairman can repair a machine in an average of 2.5 days.

Currently, three repairmen are on duty. The owner of the laundromat has the option of replacing them with a superworker, who can repair a machine in an average of 56 of a day. The salary of the superworker equals the pay of the three regular employees. Breakdown and service times are exponential. Should the laundromat replace the three repairers with the superworker?

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