Question

i walked to the falls at a speed of 3 miles per hour. i returned by horseback at a speed of 20 miles per hour. the roundtrip took 5 hours and 45 minutes. how many miles is it to the falls?

Answer 1

Solution is in attached photo.

Explanation:

Do take note for this question, since we let X be the distance between the start point and the falls, 2X will be the total distance travelled for the round trip.