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04 Mar 2011, 11:14
1
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Difficulty:

55% (hard)

Question Stats:

50% (02:04) correct 50% (01:08) wrong based on 54 sessions

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ABC company pays an average of $140 per vehicle each month in outdoor parking fees for three of its eight vehicles. The companuy pays garage parking fees for the remaining five vehicles. If ABC pays an average of$240 per vehicle overall each month for parking, how much does ABC pay per month in garage parking fees for its vehicles?

A. 300
B. 420
C. 912
D. 1420
E. 1500
[Reveal] Spoiler: OA
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Joined: 20 Dec 2010
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Kudos [?]: 1764 [0], given: 376

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05 Mar 2011, 08:34
i think the trick is about " cars going out"
it means it could go out sometimes and it could stay at the garage sometimes, thus the ABC company still has to pay fees for going-out cars in garage

so the math will be 240*8 cars-3*140=1500 fee for parking in garage.
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Joined: 03 Jun 2010
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Schools: IE Business School, Manchester Business School, HEC Paris, Rotterdam School of Management, Babson College
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Kudos [?]: 4 [1] , given: 4

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18 Oct 2016, 16:07
Problem can be solved using the following formula:

[3(140)+5x]/8 = 240
x = 300

Total spent on garages is 5x$300 =$1500. Thus, E is the correct answer.
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