At a speed of 60 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 60 miles per hour, the amount of gasoline used would be what fraction of a full tank?
Choose the correct answer
A) 3/25	B) 11/36	C) 7/12	D) 2/3	E) 5/6
Gas used = (5 hours)*(60 miles/hour)*(1 gallon/30 miles) = 10 gallons   Portion used = (10) / 12 = 5/6   Ans 5/6
<result>E</result>
At a speed of 60 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 60 miles per hour, the amount of gasoline used would be what fraction of a full tank?