Solving 2 step equations

Question

You have already walked 5 miles of an 18-mile trail. If you walk the rest of the trail at a pace of 1 mile in 17 minutes, how many hours will it take you to finish the trail?

Answer 1

13 miles to go!

13 miles times 17 minutes per mile equals 221 minutes

dividing by 60 minutes, we get 3.68333... hours which is 3 hrs + 41 minutes.