increase 160km by 30%
In this question a simple task is required to be done and that is increase 160 km by 30%
Then
Amount of increase in km = 160 * (30/100)
= 48 km
Then the km after increase = (160 + 48)
= 208 km.
In this problem the only thing that needs to be done
correctly is the calculation. Otherwise there is nothing tough in this problem.
I hope it helps you to understand the procedure for solving the problem.