Two-step inequality word problem.

Question

You have $20 to spend on taxi fare. The ride costs $5 plus $2.50 per kilometer.

Write an inequality to determine the distance in kilometers, d, you can ride for $20 and what is the maximum distance, in kilometers, you can ride for $20?

Answer 1

5 + 2.5k < 20

k < (20-5)/2.5

k < 15/2.5

k < 6 km maximum distance on $20