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A hybrid car has a 15-gallon fuel tank and uses one gallon of fuel to 08 Feb 2022, 07:45
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C
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35% (medium)

Question Stats:

77% (02:46) correct 23% (02:48) wrong based on 115 sessions

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A hybrid car has a 15-gallon fuel tank and uses one gallon of fuel to travel 45 miles. If the driver of the car begins her trip with a full tank and drives for 8 hours at a constant rate of 60 miles per hour, what fraction of her fuel tank is full at the end of the trip?

A. 2/9
B. 11/48
C. 13/45
D. 1/3
E. 17/48
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C
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A hybrid car has a 15-gallon fuel tank and uses one gallon of fuel to 08 Feb 2022, 12:25
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Distance covered = 8*60 = 480
Fuel consumed = 480/45 = 32/3
Fuel initially = 15
Fuel left = 15-(32/3) = 13/3
Fuel left as a fraction of initial = (13/3)/15 = 13/45

Option B.

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A hybrid car has a 15-gallon fuel tank and uses one gallon of fuel to 04 Feb 2025, 21:07
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