A widget machine makes 900 units if it runs continuously for 8 hours. Every 10 hours,...

A widget machine makes 900 units if it runs continuously for 8 hours. Every 10 hours, the machine requires 30 minutes of maintenance during which no units are made. What is the productivity of the machine?

Solutions

Expert Solution

Production rate for non stop run = 900 /8 = 112.5 per hour

For a 10 hours run, the machine will make 112.5x10 =1125 widgets.

The effective time for making these widgets will include maintenance time of 30 min.
Hence the productivity = 1125 /10.5 = 107.14 widget per hour

The required answer is 107 per hour

or 107.14x8 =857 per 8 hours.

keosha answered 2 years ago

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