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# In April, how much did Kolshtov spend on gasoline per mile

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Manager
Joined: 30 May 2008
Posts: 53
In April, how much did Kolshtov spend on gasoline per mile  [#permalink]

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08 Apr 2012, 23:38
1
00:00

Difficulty:

25% (medium)

Question Stats:

78% (00:50) correct 23% (00:29) wrong based on 40 sessions

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In April, how much did Kolshtov spend on gasoline per mile to drive his car?

(1) In April, Kolshtov paid an average of \$1.69 per gallon of gasoline.

(2) In April, Kolshtov drove his car an average of 70 miles per day.

why is the answer not C?
Current Student
Joined: 30 Mar 2012
Posts: 141
Location: United States (TX)
Concentration: Strategy, Finance
GMAT 1: 670 Q45 V38
GPA: 2.64
WE: Supply Chain Management (Consumer Electronics)

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09 Apr 2012, 00:54
1
catty2004 wrote:
In April, how much did Kolshtov spend on gasoline per mile to drive his car?

(1) In April, Kolshtov paid an average of \$1.69 per gallon of gasoline.

(2) In April, Kolshtov drove his car an average of 70 miles per day.

To answer this question, we need to have 3 pieces of information: price per gallon of gasoline, total distance driven, and amount of gasoline added.

(1) There is no information regarding the miles Kolshtov drove and the amount of gasoline he used. INSUFFICIENT - therefore, eliminate A and D.
(2) There is no information regarding the price per gallon of gasoline and the amount of gasoline he used. INSUFFICIENT - therefore, eliminate B.

With both pieces of information together, we understand he drove an average of 70 miles per day and that on average he paid \$1.69 per gallon of gasoline. However, we do not know how many miles he can drive per gallon of gasoline (i.e. can he get 70 miles per gallon or can he only get 10 miles per gallon?) which is why the answer is not C. We can rephrase this question into an algebraic function with 3 variables. With the two statements, we're only provided 2.

The answer I reached was (E).
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Manager
Joined: 30 May 2008
Posts: 53
Re: In April, how much did Kolshtov spend on gasoline per mile  [#permalink]

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09 Apr 2012, 08:07
Thank you SOOO MUCH!
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Joined: 09 Sep 2013
Posts: 9128
Re: In April, how much did Kolshtov spend on gasoline per mile  [#permalink]

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25 Jan 2016, 03:55
Hello from the GMAT Club BumpBot!

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Re: In April, how much did Kolshtov spend on gasoline per mile &nbs [#permalink] 25 Jan 2016, 03:55
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