Question

the amount of gasoline remaining in the tank decreases with mileage driven. what is the independent and dependent quantity in the situation?

Answer 1

independant -> what you change

dependant --> "depends" on the independant variable

Answer 2

miles driven is what we change , its the independant

Answer 3

and when we change the number of miles driven we observe a change in the amount of fuel , so fuel remaining is the dependant variable