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M09 Q05

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Manager
Joined: 02 Aug 2009
Posts: 111
Followers: 2

Kudos [?]: 19 [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
CIO
Joined: 02 Oct 2007
Posts: 1218
Followers: 95

Kudos [?]: 891 [0], given: 334

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31 Mar 2010, 23:32
Hi,

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Please do not create duplicate topics. Thank you for cooperation .
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Re: M09 Q05   [#permalink] 31 Mar 2010, 23:32
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M09 Q05

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