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An airline company pays $10,000 less for each additional [#permalink] ### Show Tags 06 Nov 2005, 12:22 00:00 Difficulty: (N/A) Question Stats: 0% (00:00) correct 0% (00:00) wrong based on 0 sessions ### HideShow timer Statistics This topic is locked. If you want to discuss this question please re-post it in the respective forum. An airline company pays$10,000 less for each additional airplane ordered. What would be the total price for 5 airplanes?
(1) The first 2 airplanes cost 50% of the total price.
(2) The last airplane costs half as much as the first.
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06 Nov 2005, 12:53
D)...1) 2a-10000=5a-40000...solver a to get the price of the first plane....2) 2(a-40000)=a...same as above...
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07 Nov 2005, 05:01
christoph wrote:
D)...1) 2a-10000=5a-40000...solver a to get the price of the first plane....2) 2(a-40000)=a...same as above...

But, how do we know that this discount begins with second order?
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07 Nov 2005, 19:48
OA is D.

each additional airplane ordered ... the word 'additional' means that discount counts from second plane.
07 Nov 2005, 19:48
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