Question

Yesterday, I drove miles and used gallons of gasoline. What is the unit rate for miles per gallon?

Answer 1

To calculate the unit rate for miles per gallon, divide the total miles driven by the gallons of gasoline used. For example, using a vehicle that drove 400 miles using 22 gallons, the fuel economy would be 18.18 mpg. This unit rate can be compared with national averages for fuel efficiency.

Step-by-step explanation:

To determine the unit rate for miles per gallon, you would divide the number of miles driven by the gallons of gasoline used. This calculation typically requires specific numbers, but the general formula is:

Miles per gallon (mpg) = Total miles driven ÷ Gallons of gasoline used

Using the example given in the reference material:

1. For the first vehicle, the fuel economy is 400 miles ÷ 22 gallons = 18.18 mpg.
2. For the second vehicle, the fuel economy is 8,660 miles ÷ 69 gallons = 125.51 mpg.

These results show the average fuel efficiency of each vehicle. To compare this to national averages or to calculate costs associated with driving certain distances, you would use the mpg figure in conjunction with other information such as gas prices or typical driving distances.