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An automobile's gasoline millage varies, depending...

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by AAPL » Wed Feb 07, 2018 7:16 am
An automobile's gasoline millage varies, depending on the speed of the automobile, between 18.0 and 22.4 miles per gallon, inclusive. What is the maximum distance, in miles, that the automobile could be driven on 15 gallons of gasoline?

(A) 336
(B) 320
(C) 303
(D) 284
(E) 270

The OA is A.

Experts, I need to determine the distance assuming that the automobile covers 22.4 miles per gallon, right? Then,

The maximum distance will be, 22.4*15 = 336 miles. Option A. Thanks!
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by ErikaPrepScholar » Wed Feb 07, 2018 7:45 am
Correct! The car will be able to drive the greatest distance if it gets the greatest number of miles per gallon — in other words, if it has the greatest gas mileage. So the car will be able to drive the greatest distance if it drives consistently at 22.4 miles/gallon.
$$\frac{22.4\ miles}{1\ gallon}\cdot15\ gallons\ =336\ miles$$
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by EconomistGMATTutor » Wed Feb 07, 2018 11:52 am
AAPL wrote:An automobile's gasoline millage varies, depending on the speed of the automobile, between 18.0 and 22.4 miles per gallon, inclusive. What is the maximum distance, in miles, that the automobile could be driven on 15 gallons of gasoline?

(A) 336
(B) 320
(C) 303
(D) 284
(E) 270

The OA is A.

Experts, I need to determine the distance assuming that the automobile covers 22.4 miles per gallon, right? Then,

The maximum distance will be, 22.4*15 = 336 miles. Option A. Thanks!
Hi AAPL,
You followed the correct approach.
GMAT Prep From The Economist
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by Scott@TargetTestPrep » Mon Jul 01, 2019 4:29 pm
AAPL wrote:An automobile's gasoline millage varies, depending on the speed of the automobile, between 18.0 and 22.4 miles per gallon, inclusive. What is the maximum distance, in miles, that the automobile could be driven on 15 gallons of gasoline?

(A) 336
(B) 320
(C) 303
(D) 284
(E) 270
The maximum distance that the automobile could be driven on 15 gallons of gasoline is 15 x 22.4 = 336 miles.

Answer: A

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