Answer:
T= 160 + 4x
Explanation:
Giving the following information:
The $160 fine is a fixed cost. It will remain constant.
The $4 additional fine acts as a variable cost. It varies with the number of miles per hour.
To calculate the total cost (T), we need to use the following formula:
T= 160 + 4x
x= miles per hour exceeding the speed limit.