Problema Solution
ed and alice walked to the dock at 5 miles per hour, jumped into the boat,and motored to destine at 15 miles per hour. if the total distance was 20 miles and the trip took 2 hours in all, how far did they go by boat?
Answer provided by our tutors
The distance on boat is x, the distance on walk is (20-x)
x/15 + (20-x)/5 =2
So
x = 15
So the distance on boat is 15 miles