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Formulate the following problem as a pai...

Formulate the following problem as a pair of equations and then find their solutions.
A boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 hours it can go 40 km upstream and 55 km downstream. Determine the speed of the stream and that of the boat in still water.

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The correct Answer is:
Speed of boat = 8 km/h ; Speed of stream = 3 km/h
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