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person a and b traveling away from each other. It takes person a 2 hours to travel a full circle, and person b 5 hours to travel a full circle. how much time will it take for a and b to meet?

person a and b traveling away from each other. It takes person a 2 hours to travel-example-1
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User Jawara
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1/(1/2+1/5) = 10/7 hours

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User Gaunt
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