Mathematics, 13.07.2021 08:20, Adrian12313

A new photocopier works 2 times as fast as an old one. When the machines work together, a university can produce all its staff manuals in 16 hr. Find the time it would take each machine, working alone, to complete the job. The new photocopier alone would take _ hr.
The old photocopier alone would take _ hr.

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A new photocopier works 2 times as fast as an old one. When the machines work together, a universit...