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Romero Automobiles sells cars only from manufacturer X and m

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Romero Automobiles sells cars only from manufacturer X and m [#permalink] New post 17 Sep 2017, 11:57
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100% (00:32) correct 0% (00:00) wrong based on 6 sessions


Romero Automobiles sells cars only from manufacturer X and manufacturer Y. The range of the list prices of the cars from manufacturer X is $22,000. The range of the list prices of the cars from manufacturer Y is $15,000.

Quantity A
Quantity B
The range of the list prices of all automobiles
sold by Romero Automobiles
$22,000


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: Romero Automobiles sells cars only from manufacturer X and m [#permalink] New post 21 Sep 2017, 07:18
When we are given two ranges to compute the entire range the answer is always D because the two separate ranges can be generated by many min/max combinations. For example a range of 22,000 can be 22,000-0 but also 55,000-33,000. The same holds for 15,000 which can be 15,000-0 but also 30,000-15,000. Thus, the entire range can vary: in the first case, it is 22,000-0 = 22,000 and answer would be C but in the second case the range would be 55,000-15,000 = 40,000 that is greater than 22,000 thus the answer would be A. We can conclude that the right answer is thus D!
Re: Romero Automobiles sells cars only from manufacturer X and m   [#permalink] 21 Sep 2017, 07:18
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Romero Automobiles sells cars only from manufacturer X and m

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