Answer: 2 gallons of gasoline
Step-by-step explanation: First you need to figure out how to get 115 to 46. To do this, divide 115 by 46, which is 2.5.
Since you did this to the 115, you must do it to 5.
5 divided by 2.5 is 2, meaning to gallons of gasoline per 46 miles, which is the answer.
Hope this helps