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If it takes 6 printing presses 4 hours to print 5000 newspapers, how long should it take 3 presses to print 3000 newspapers?

 Jan 28, 2020
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"If it takes 6 printing presses 4 hours to print 5000 newspapers, how long should it take 3 presses to print 3000 newspapers?"

 

rate = 5000/(6*4) newspapers per press per hour

 

rate = 3000/(3*t) newspapers per press per hour

 

Hence:   (3000/(3*t) = 5000/(6*4)   so t = 24/5 hours (or t = 4.8 hours)

 Jan 28, 2020

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