Question

It takes_ hours to reach the sea.

Answer 1

It takes 0.02 hours to reach the sea

Explanation:

The answer is 0.02 hours because:

1) You have to divide 0.5 and 21

2) The answer would be: 0.0238095238

3) Now, round you answer to the nearest hundredth.

4) Your answer will be 0.02

Hope this helps!

Answer 2

it takes 1 hours to reach the sea.