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GRE Math Challenge #105-If a certain automobile gets

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GMAT Club Legend
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Joined: 07 Jun 2014
Posts: 4704
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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GRE Math Challenge #105-If a certain automobile gets [#permalink] New post 15 May 2015, 11:48
Expert's post
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Question Stats:

75% (00:37) correct 25% (00:16) wrong based on 4 sessions
If a certain automobile gets between 20 and 24 miles per gallon of gasoline, inclusive, what would be the maximum amount of gasoline, in gallons, this automobile would consume on a trip of 360 miles?

(A) 20.0
(B) 18.0
(C) 16.4
(D) 16.0
(E) 15.0
[Reveal] Spoiler: OA

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Joined: 20 Apr 2016
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Re: GRE Math Challenge #105-If a certain automobile gets [#permalink] New post 19 Dec 2017, 05:51
sandy wrote:
If a certain automobile gets between 20 and 24 miles per gallon of gasoline, inclusive, what would be the maximum amount of gasoline, in gallons, this automobile would consume on a trip of 360 miles?

(A) 20.0
(B) 18.0
(C) 16.4
(D) 16.0
(E) 15.0



Here we need to calculate the maximum gasoline required.

Therefore the minimum mileage will give the maximum gasoline required.

i.e. 360/20 = 18 gallons

and 360/24 = 15 gallons.

Hence automobile with 20 miles per gasoline uses 18 gallons of gasoline on a trip of 360 miles.
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Re: GRE Math Challenge #105-If a certain automobile gets   [#permalink] 19 Dec 2017, 05:51
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GRE Math Challenge #105-If a certain automobile gets

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