Question

A car rental agency charges $30 per day to rent a car and $12.95 per day for a global positioning system (GPS).Customers are charged for their full tank of gas at $2.20 per gallon. A car has a 15 gallon tank and a GPS.A) Write a function rule in simplest form for the total bill, b, as a function of the days, d that the car is rented.

Answer 1

b = 42.95d + 33

Step-by-step explanation:

The car rental agency charges $30 per day to rent a car, so after d days, you will need to pay $30 times d for the rent of the car or

30d

Then, the agency also charges $12.95 per day for GPS, so at the end of d days you will need to pay 12.95 times d or:

12.95d

Finally, the car has 15 gallons that they charged $2.20 per gallon, so the total charged for their full tank is equal to:

15 x $2.20 = $33

Therefore, the total bill b in terms of the days d, will be:

b = 30d + 12.95d + 33

Adding like terms, we get:

b = 42.95d + 33

So, a function rule in simplest form for the total bill is:

b = 42.95d + 33