A takes 3 hours more than B to walk 30 km. But if A doubles his pace, he is ahead of B by 3 /2 hours. Find their speed of walking.

A takes 3 hours more than B to walk 30 km. But if A doubles his pace,

1.	A takes 3 hours more than B to walk 30 km. But if A doubles his pace, he is ahead of B by 3 /2 hours. Find their speed of walking.
Answer» The speed of walking of A is 10/3 km/hand that of B is 5 km/h. The question is based on applications of linear equations.