A taxi driver charges an initial fee of $5.00 plus $0.50 per mile. What is the independent variable quantity in this situation?
A bus driver charges riders a flat fee of $2.25. There is also a fee of $0.50 per mile that you are on the bus. If Lindsey was charged $22.25, how many miles was she on the bus?
In this situation, the independent variable quantity is the number of miles travelled.
The independent variable quantity in this situation is the number of miles traveled.
cost = 5 + .5(miles)
so
miles