Question

express the following in the simplest form a) 400m:1km​

Answer 1

Answer:

1 km = 1000m

400m : 1000m

2m : 5m

I hope I'll help you.

Answer 2

Answer:

1 km = 1000 m

Step-by-step explanation:

thus 400m : 1km

=400m : 1000 m

$\frac{400}{1000} \\ = \frac{4}{10} \\ = \frac{2}{5}$

=2:5 metre