Which of the following is the most appropriate unit to describe the time you can drive a car based on the amount of gas?

Minutes per gallon, because the independent quantity is the gallons

Minutes per gallon, because the independent quantity is the minutes

Gallons per minute, because the independent quantity is the gallons

Gallons per minute, because the independent quantity is the minutes

Question

Which of the following is the most appropriate unit to describe the time you can drive a car based on the amount of gas?

 Minutes per gallon, because the independent quantity is the gallons

 Minutes per gallon, because the independent quantity is the minutes

 Gallons per minute, because the independent quantity is the gallons

 Gallons per minute, because the independent quantity is the minutes

anonymous · Answer

You can rule out Gallons per minute. 

It is defiantly Minutes per gallon. Now, is the independent quantity the gallons or the minutes?