







Alex rents a car for one day 
20191031 

Arshia pose la question : Alex rents a car for one day. The charge is $25 plus $0.20 per mile. Alex wants to spend exactly $110. How many miles can he drive? Penny Nom lui répond. 





Sharing in a car rental 
20130409 

Marilyn pose la question : 8 persons are planning to share equally the cost of a rental car.
If 1 person withdraws from the arrangement and the others share
equally the entire cost of the car, then the share of each of the
remaining persons is increased by? Penny Nom lui répond. 





Driving a rental car 
20130313 

teresa pose la question : Driving a rental car x miles cost y= 0.25x + 25 dollars.
(a) How much would it cost to rent the car but not drive it?
(b) How much does it cost to drive the car 1 additional mile?
(c) What is the yintercept of y= 0.25x + 25? What does it represent?
(d) What is the slope of y= 0.25x + 25? What does it represent? Penny Nom lui répond. 

