two persons 27 km apart starting at the same time meet each other in 9 hours if they work in the same direction and 3 hours if they work in opposite direction find the speed of walking
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Answer:
Step-by-step explanation:
Let us assume persons as A and B
Opposite directions velocity will be added
Va + Vb = 27km ÷ 3hours = 9kmph
Va - Vb = 27km ÷ 9hours = 3kmph
adding equations we get Va = 6 kmph
then substituting in equation 1 , we get Vb = 3 kmph
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