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# Running at their respective constant rates, machine X takes

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Manager
Joined: 23 Aug 2008
Posts: 63
Running at their respective constant rates, machine X takes [#permalink]

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04 Nov 2008, 02:28
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Running at their respective constant rates, machine X takes 2 days longer to produce w widgets than machine Y. At these rates, if the two machines together produce 5/4 w widgets in 3 days, how many days would it take machine X alone to produce 2w widgets?

A. 4
B. 6
C. 8
D. 10
E. 12

I always get confused with rate of work questions... anyway interested in your solutions to this one, thanks.
Manager
Joined: 15 Oct 2008
Posts: 54
Re: DS: Rate of Work [#permalink]

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04 Nov 2008, 05:00

7-t72236
Manager
Joined: 23 Aug 2008
Posts: 63
Re: DS: Rate of Work [#permalink]

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04 Nov 2008, 08:49
Great solution, thanks a lot for pointing that to me!
Re: DS: Rate of Work   [#permalink] 04 Nov 2008, 08:49
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