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# How do you solve this problem?

## it takes 6 hours for 3 photocopiers to finish a copying job. How long would it take 8 copiers to finish the same job?

Asked By: rogaciana s - 6/5/2006
Figure out how many total hours of photocopying are being done, then figure out how many hours each of 8 copiers would have to work to do the same total number of hours... More
16 set up a proportion: 3 8 - = - 6 x 6/3=2 8x2=16
Source(s):

Too long. Buy a faster copier!

depends on how many photocopiers there are.....

first, an assumption must be made (or, it has to be implied) that each typist would uniformly accomplish the job, working alone, in x hours... let the hourly rate for each typist be 1/x; then, working together, the job will be accomplished by 3 typists at the hourly rate of 1/5; that is... More

4

its 14

that would be 1 hour.

Ask Kwik kopy only they know for sure.

16

just getting a simple guess. 6 copiers could do the job in 3 hours 9 copiers could do the job in 2 hours so, we know the answer has to be somewhere between 2 and 3 hours. 1 job = 18 photocopy * manhours. If I have 8 men, then I divide 18 by 8. 18/8 hours = 2 2/8 = 2 1/4 hours.

3 copiers = 6 hours 1 copier = 6*3 = 18 hours --- as 1 copier would take longer 8 copiers = 18/8 = 2.25 hours --- as 8 copiers would take a shorter time Note that the time taken is inversely proportional to the number of copiers.

1 Hour 15 Minutes
Source(s):

6 hrs/3 copiers = 2hrs/copier 8 copiers = 16 hours (If all 8 copiers had no mechanical failures, that is.)

if like most copiers, it will take longer, because of all the down time trying to keep more copiers running...

the correct answer is 3/6 *8=4 hours the time to copy wil decrease

Simply 6 x - = - 3 8 6 *8 = 3x (`/. 3) x = 48/3 16 hours Please pick me!! I must beg and it's correct! :)

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