Question

Standard Rental Plan, they can rent a car for $52/day plus 23 cents/mile
Deluxe Rental Plan, they can rent a car for $80/day with unlimited mileage.

Write an equation that represents the Standard Rental Plan.

Answer 1

52d+23m=x

Answer 2

if x is the amount paid for the length of the rental
and d = the number of days the car is rented for
and m = the number of miles travelled in the car
then
Standard Rental Plan -
52d + 0.23m = x

or Deluxe Rental Plan -
80d = x

Answer 3

the reason being is because it is $52 a day so because we don't know how long they are going to have it we writ it as 52d
then because it is $.23 per mileage we don't know how far they are going so we do 23m so when you go to fill in your variables your x will be the amount of money they will spend so that is ho w you get the equation of 52d+23m=x