How Is It So? - Puzzle

From the starting point, a motor boat taker 1 1/2 hours to reach the other side of a lake.
On its return journey through the same track and at the same speed it takes only 90 minutes to reach the starting point.

How is it so?

Answer:

3 comments:

  1. It's the same amount of time just stated differently

    ReplyDelete
  2. It's the same amount of time just stated differently

    ReplyDelete