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M09 Q05

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Manager
Joined: 02 Aug 2009
Posts: 107

Kudos [?]: 25 [0], given: 1

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31 Mar 2010, 13:04
It takes Jack 2 more hours than Tom to type 20 pages. If working together, Jack and Tom can type 25 pages in 3 hours, how long will it take Jack to type 40 pages?

5 hours
6 hours
8 hours
10 hours
12 hours

What is the right way to solve this?

thanks

[Reveal] Spoiler:
12 hours

Kudos [?]: 25 [0], given: 1

CIO
Joined: 02 Oct 2007
Posts: 1216

Kudos [?]: 987 [0], given: 334

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31 Mar 2010, 23:32
Hi,

If you can't find the discussion you need in the thread above, please use Forum Search or Custom Google Search available at the top of every page.

Please do not create duplicate topics. Thank you for cooperation .
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Kudos [?]: 987 [0], given: 334

Re: M09 Q05   [#permalink] 31 Mar 2010, 23:32
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M09 Q05

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