The cost of bike rental is $9 per hour. For b hours, the costof rental shall be;
9b
Th cost of scooter rental is $10 per hour. For s hours, the cost of rental shall be;
10s
The total costfor Ari to rent a bike and for Meg to rent a scooter is;
Next, if Ari rents the bike for 4 hours and Meg rents the scooter for 3 hours, the total cost is now;
The total cost of rental is $66