Question

How long would it take a water boat travelling at a constant speed of 20 kilometers per hour to travel a distance of 60 kilometers? What have you assumed during this calculation?

(Wrong answers will be reported)

Answer 1

Answer:

3 hrs. have assumed that the river is at rest.

actually if it's going upstream it'll take more than 3 hrs and if it goes downstream it'll take less than 3 hrs