Question

what percent is 400m of 4km?

Answer 1

400m of 4km
km =1000m
4km=4000m
percentage =400/4000×100
= 10%

hope this help you

Answer 2

let the % be x
so,x%of 4km=400m
=x/100×4000m=400m
=40x=400
=x=400/40
=x=10
so,that 10 %of 4km is 400m
Hope answer will help u..