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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
At a speed of 50 miles per hour, a certain car uses 1 gallon of gasoli
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24 Sep 2022, 05:58
24 Sep 2022, 05:58
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Question Stats:
85% (01:41) correct
14% (03:58) wrong based on 7 sessions
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At a speed of 50 miles per hour, a certain car uses 1 gallon of gasoline every 30 miles. If the car starts with a full 12 gallon tank of gasoline and travels for 5 hours at 50 miles per hour, the amount of gasoline used would be what fraction of a full tank?
A. 3/25
B. 11/36
C. 7/12
D. 2/3
E. 25/36
A. 3/25
B. 11/36
C. 7/12
D. 2/3
E. 25/36
Re: At a speed of 50 miles per hour, a certain car uses 1 gallon of gasoli
[#permalink]
28 Sep 2022, 06:59
28 Sep 2022, 06:59
Expert Reply
In 5 hours at 50 miles per hour car will travel 5*50=250 miles and thus will use 250/30=25/3 gallons of gasoline. Gasoline used/full tank equals to \(\frac{(\frac{25}{3})}{12} =\frac{25}{36}\).
Answer: E.
Answer: E.
gmatclubot
Re: At a speed of 50 miles per hour, a certain car uses 1 gallon of gasoli [#permalink]
28 Sep 2022, 06:59
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