Question

If a man walks 16km in 5 hours,How long would he take to walk 11.2km

Answer 1

distance is directly proportional to time taken
5 hrs=16km
1 hrs=16/5 km
1hrs=3.2km
1km=1/3.2
11.2km=11.2/3.2

Answer 2

3.5 hours
hope this helps