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# PS: 3 secretaries (m21-02)

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Manager
Joined: 20 Oct 2013
Posts: 78
Location: United States
Concentration: General Management, Real Estate
Followers: 0

Kudos [?]: 7 [0], given: 15

Re: PS: 3 secretaries (m21-02) [#permalink]

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20 Apr 2014, 02:46
Suppose the speed of slowest secretary is 2a -> total speed of 3 ppl = 9a = 36/0.5 = 72 => 2a = 16 => time to finish 52 pages = 52/16 = 3.25 hrs = 3hrs15mins
Re: PS: 3 secretaries (m21-02)   [#permalink] 20 Apr 2014, 02:46
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# PS: 3 secretaries (m21-02)

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