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Vanyuwa [196]
3 years ago
14

If it takes 10 seconds for 10 printers to print out 10 pages of paper, how many seconds will it take 50 printers to print out 50

pages of paper?
Mathematics
2 answers:
SSSSS [86.1K]3 years ago
8 0
We know that 10 printers print 10 pages of paper for 10 seconds.
In order to calculate how many seconds are needed for 50 printers to print out 50 pages  of paper -denoted with X, we should compare these situation with the situation we know (10 printers print 10 pages).
The number of printers is 5 times bigger and the number of pages is also 5 times bigger, which means we can write:
X=5*(seconds needed <span>10 printers to print 10 pages)
X=5*10seconds
X=50 seconds
</span><span>It takes 50 seconds for 50 printers to print out 50 pages of paper.</span>
Fed [463]3 years ago
4 0

Lets use the formula RWT=J to solve this, where,

  • R is the rate
  • W is the number of workers/things
  • T is time
  • J is number of jobs/things

<em><u>"If it takes 10 seconds for 10 printers to print out 10 pages of paper"</u></em> - here -

W is 10 printers, T is 10 seconds,  and J is 10 pages. We can write:

R(10)(10)=10\\R(100)=10\\R=\frac{10}{100}\\R=0.1


<u><em>"how many seconds will it take 50 printers to print out 50 pages of paper"</em></u><em> - here we use R=0.1 (previously found) to figure out T.</em>

<em>RWT=J\\(0.1)(50)T=50\\5T=50\\T=\frac{50}{5}\\T=10</em>

So it will take 10 seconds for 50 printers to print 50 pages.


ANSWER: 10 seconds

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