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

Question

Kristian Graham

Mathematics

14 October, 08:09

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

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Answers (1)

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Mara Cohen · Answer 1

First find the total amount of miles traveled: 50*5=250

Then divide how many gallons of gas used per mile by total miles traveled: 30/250 = 3/25

your answer: 3/25