Question

1: How to solve Ann skimming across the water on a sailboard at an average rate of 20km/h. How long will it her to travel 8km?

Answer 1

It will take Ann 24 minutes or 0.4 hours to travel 8km.

Explanation:

As per the question, we have

`to` The average speed of the sailboard, i.e 20km/hr

Now,

`to` 20 km in 1 hour

`to` 8km in ? hour

So, the sailboard travels 8 km in `(8/20)` hours

`:.` It takes 0.4 hours or 24 minutes for the sailboard to travel 8 km.