a driver drove 90 miles and used 4 gallons of gasoline. What is the vehicles consumption rate in miles per gallon?

A: 22.5 miles per gallon
B: 22.5 gallons per mile
C: 20 miles per gallon
D: 4/90 miles per gallon

1 answer

To find the vehicle's consumption rate in miles per gallon, we need to divide the number of miles driven by the number of gallons of gasoline used:

Consumption rate = miles driven / gallons of gasoline used

In this case, the driver drove 90 miles and used 4 gallons of gasoline, so the consumption rate is:

90 miles / 4 gallons = 22.5 miles per gallon

So, the correct answer is:

A: 22.5 miles per gallon