SOLUTION: mark leaves the house for school walking at the rate of 4kph. two hours later jane follows mark at a walking rate of 6kph. how long will jane have to walk to overtake mark?

Question 213073: mark leaves the house for school walking at the rate of 4kph. two hours later jane follows mark at a walking rate of 6kph. how long will jane have to walk to overtake mark?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
mark leaves the house for school walking at the rate of 4kph. two hours later jane follows mark at a walking rate of 6kph. how long will jane have to walk to overtake mark?
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In 2 hours, Mark is 8 km away. Jane gains on him, or closes, at 2 kph (6-4).
It will take her 4 hours to overtake him (8/2).

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