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?
Last edited by mr fantastic; September 21st 2010 at 02:55 PM.
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1 machine = 50 copies/min so 4 machines=50*4=200/min Therefore 50 copies is 50/200=0.25 min or 15 seconds
Originally Posted by RHandford 1 machine = 50 copies/min so 4 machines=50*4=200/min Therefore 50 copies is 50/200=0.25 min or 15 seconds Thanks dude! You are a star x
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Originally Posted by RHandford 