two friends x and y walk from a to b at a distance of 39 km,at 3 km an hour and 3½km an hour respectively.y reaches b, returns immediately and meet x and c. find the distance from a to c
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Hey,
Since the time of meeting will be same. Set the equation for time as equal.
---------------39---------------
A*...................C*...........*B
-----(39-x)-------|----x------
At C,
T(A)=T(B)
((39-x)/3)=((39+x)/3.5)
Solve for x. and subtract x from 39 to get the answer.
answer is 39-3=36km.
HOPE IT HELPS YOU:-))
Since the time of meeting will be same. Set the equation for time as equal.
---------------39---------------
A*...................C*...........*B
-----(39-x)-------|----x------
At C,
T(A)=T(B)
((39-x)/3)=((39+x)/3.5)
Solve for x. and subtract x from 39 to get the answer.
answer is 39-3=36km.
HOPE IT HELPS YOU:-))
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