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
Best Answer - Chosen by Asker
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
Answered By: BishopKlaw - 6/5/2006
Additional Answers (16)
16 set up a proportion: 3 8 - = - 6 x 6/3=2 8x2=16
Answered By: Adam N - 6/5/2006
Too long. Buy a faster copier!
Answered By: unsersmyboy - 6/5/2006
depends on how many photocopiers there are.....
Answered By: bbosun - 6/5/2006
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
Answered By: ip916a4bbxexx - 6/5/2006
Answered By: NS42day - 6/5/2006
Answered By: Cheeseburger - 6/5/2006
that would be 1 hour.
Answered By: sequential_85 - 6/5/2006
Ask Kwik kopy only they know for sure.
Answered By: siriusmary - 6/5/2006
Answered By: smurfie413 - 6/5/2006
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.
Answered By: something - 6/5/2006
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.
Answered By: Kemmy - 6/5/2006
1 Hour 15 Minutes
Answered By: trebor2 - 6/5/2006
6 hrs/3 copiers = 2hrs/copier 8 copiers = 16 hours (If all 8 copiers had no mechanical failures, that is.)
Answered By: Millie - 6/5/2006
if like most copiers, it will take longer, because of all the down time trying to keep more copiers running...
Answered By: truthteller - 6/5/2006
the correct answer is 3/6 *8=4 hours the time to copy wil decrease
Answered By: alooo... - 6/5/2006
Simply 6 x - = - 3 8 6 *8 = 3x (`/. 3) x = 48/3 16 hours Please pick me!! I must beg and it's correct! :)
Answered By: BeautifulTeen - 6/5/2006
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