Question

À boy runs 1km in 7min how long he run 400 m​

Answer 1

Answer:

according to question :-

if 1km = 7min

1000m = 7min

so 400m = 7/1000*400= 2800/1000 = 2.8 min

hope you understand plz thank my answer

Answer 2

Answer:

answer is 2.8 minutes

you should first convert 1 km into 1000m then the time he covers is 7 min.

So now you solve it by using required formula: 7/1000 *400 =2.8min