A computer technician arrives at work at 9AM and finds a department manager delivering three malfunctioning laptop computers. The computer technician begins to repair the problems as soon as possible. The technician begins on the first computer and does not start the second computer until the first is repaired. The technician works on only one computer at a time. The technician takes a lunch break from 12-1PM.
The first computer is repaired by 11am
The second computer is repaired by 1:30pm
The third computer is repaired by 4pm .
What is the total process velocity?
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