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Mathematics 11 Online
OpenStudy (anonymous):

Two buses start at the same point and travel in opposite direction. If one bus travels at 40 mi/h and the other travels at 50 mi/h, in how many hours will the buses be 450 mi apart?

OpenStudy (anonymous):

do u know concept of relative velocity? @misscyclops17

OpenStudy (anonymous):

what happened?

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