A photocopying machine is capable of making 50 copies each minute.

If 4 identical copiers are used simultaneously how long would it take to make a total of 50 copies?

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- Sep 21st 2010, 10:50 AMMistEasy worded question.
A photocopying machine is capable of making 50 copies each minute.

If 4 identical copiers are used simultaneously how long would it take to make a total of 50 copies? - Sep 21st 2010, 10:57 AMRHandford
1 machine = 50 copies/min

so 4 machines=50*4=200/min

Therefore 50 copies is 50/200=0.25 min or 15 seconds - Sep 21st 2010, 10:59 AMMist