write an equation that correctly describe the relationship between the number of days and the rental charge

Question

Mr and Mrs nelson need to rent a car to take their kids to Disneyland. the table show the price list for renting the car they need for various amount of days. rental charge:200,350,500,650. number of days:

3

6

9

12

Answer 1

By observing rental charge for days 6, 9 and 12 rental charge per additional day is $50

By observing rental charge for first three days - one time upfront charge = $50

 

So rental chage = 50 + 50X

 

X is number of days car is rented.

 

:)