The cost of renting a car from Rent-it Cheap for one day is $29 plus 50 cents per km. For the same period, Thrift Cars charges $37 plus 48 cents per km. When would it be more economical to rent a car from Thrift Cars? from Rent-it-cheap?

Answer 1

Rent it Cheap = 2900 + 50k
Thrift car = 3700+48k

solve
2900+50k = 3700+48k

and use the result to state your conclusion