Answer:
Given: The total cost of renting a car is determined by the number of days a car is rented, at $75 per day, and the number of miles it is driven, at $0.50 per mile. The company uses the expression
to evaluate the total cost of renting a car.
To check: We need to check what does the variable x represent.
Here, the company uses the expression
to evaluate the total cost of renting a car.
Here 75 represents the rent per day, and 0.50 represents the cost per mile.
As, x is multiplied by 75. So, the variable x represents the number of day one has taken the car.