If A takes 3 hrs more than B to walk 30 km , if A doubles his pace , he is ahead do B by 3/2 hrs. Find their walking speeds
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A takes 3 hrs for 30 km. Speed = Distance/time
So, Speed = 30/3 = 10km/hr
Now he has doubled his speed. So 10 × 2 =
20km/hr. He is ahead to B by 3/2 hours.
A doubled his speed which means he is taking half time. so 3 ÷ 1/2 = 1 and half hours. B is taking 2 hours because 3/2 - 1/2 is 2 hours.
B's speed is 30/2 = 15km/hr
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So, Speed = 30/3 = 10km/hr
Now he has doubled his speed. So 10 × 2 =
20km/hr. He is ahead to B by 3/2 hours.
A doubled his speed which means he is taking half time. so 3 ÷ 1/2 = 1 and half hours. B is taking 2 hours because 3/2 - 1/2 is 2 hours.
B's speed is 30/2 = 15km/hr
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