Hello,
Can anyone explain how to resolve this problem:
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
Thanks.