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- Thread starter riddhish
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HallsofIvy

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I would let u be the speed of the swimmer in still water, v be the speed of the river. Then write formulas for t1, t2, t3 in terms of d, u, and v. Since there is no u or v given in the problem, you will want to manipulate the equations to eliminate those.

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Odd that it take the same time to swim upstream and down....

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HallsofIvy

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