A taken 3 hours more than B to walk 30 km. But if A doubles his pace, he is ahead of B by hours. Find their speed of walking.
Asked by Topperlearning User | 9th Aug, 2017, 09:32: AM
Let speed of km/hr.
Therefore according to the question we get two equation.
Then equation (1) and (2) becomes
or …….. (3)
Adding (3) and (4) we get
Putting this value of A in (3) we get
Hence speed of A is km/hr and B is 5 km/hr.
Answered by | 9th Aug, 2017, 11:32: AM
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