200
The number of miles I can drive depends on the amount of gas I put in my car. If I put 10 gallons in my car, I can drive 200 miles. If I put 20 gallons in my car, I can drive 400 miles. What is my INDEPENDENT category?
A. the number of miles I can drive
B. the amount of gas I put in the car
What is B (the amount of gas I put in the car)