Question

Mr. Dawson is contemplating which chauffeured car service to take to the airport. The first costs $7 up front and $2 per kilometer. The second costs $12 plus $1 per kilometer. For a certain driving distance, the two companies charge the same total fare. What is the total fare? What is the distance?

Answer 1

Total fare is $17, total distance is 5 km.

Explanation:

7 + 2x = 12 + x

x = 5

12 + 5 = 17