SOLUTION: Two persons 27 km apart starting at the same time are together in 9 hours if they walk in the same direction but 3 hours if they walk in opposite directions. Find out speed of each

Question 1014913: Two persons 27 km apart starting at the same time are together in 9 hours if they walk in the same direction but 3 hours if they walk in opposite directions. Find out speed of each man.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Use the formula d = r*t.
Let the rate of the first person be , and that of the second,
Then in the first scenario, we have , or (Equation 1)
In the second scenario, we get , or (Equation 2)
Substituting equation 1 into equation 2, we get , or kph. Thus kph.
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