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Easy question but cannot get OA

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Senior Manager
Joined: 04 Aug 2008
Posts: 369
Easy question but cannot get OA [#permalink]

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12 Oct 2008, 20:08
...

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Intern
Joined: 27 Sep 2008
Posts: 15
Re: Easy question but cannot get OA [#permalink]

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12 Oct 2008, 20:44
Total number of cars & trucks = n
Number of trucks = T
Number of cars = T/4

T + T/4 = n

So Total trucks, T = 4n/5
Total pickup trucks = 2/3T
= (2/3)(4n/5) = 8n/15
VP
Joined: 30 Jun 2008
Posts: 1018
Re: Easy question but cannot get OA [#permalink]

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12 Oct 2008, 20:53
c- cars, t- trucks, p-pick up

c + t = n
c = t/4

so n = (t/4) + t = 5t/4

t in terms of n = 4n/5

now no of p = (2t/3) = 8n/15

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: Easy question but cannot get OA   [#permalink] 12 Oct 2008, 20:53
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Easy question but cannot get OA

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