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Work machines

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zoadaare
Students
 
Posts: 1
Joined: Wed Dec 31, 1969 8:00 pm
 

Work machines

by zoadaare Wed Oct 05, 2011 4:17 am

It takes 12 days for 6 machines working together at their respective rates to complete a job. How many more machines will be needed to reduce the number of days from 12 to 8 days?
jnelson0612
ManhattanGMAT Staff
 
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Joined: Fri Feb 05, 2010 10:57 am
 

Re: Work machines

by jnelson0612 Sat Oct 15, 2011 10:35 pm

Check out this thread: six-machines-each-working-at-the-same-constant-rate-t603.html
Jamie Nelson
ManhattanGMAT Instructor
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