"compute the takt time for a service system that intended to perform a standardized service. the system will have a total work time of 480 minutes per day, one 20-minute tea break, and an hour for lunch. the service system must process 80 jobs a day."

The takt time is 300s.

Explanation:

Takt time is the average time between the start of the production of one unit and the start of the production of the next, when these starts are established to match the customer's demand rate.

It can be calculated as

Takt time = (Total work time available per day, in seconds.)/(Average daily customer demand)

Total work time available per day is

The customer demand (or jobs) is 80 jobs/day

So we can now calculate the takt time

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