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Mathematics, 03.12.2019 00:31 lekingbrian9285

It took joe 3 hours swimming at a speed of 12 miles per hour to swim along the charles river. if jennifer is swimming the same path along the charles river at a speed of 9 miles per hour, how long will it take her to complete her swim?

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It took joe 3 hours swimming at a speed of 12 miles per hour to swim along the charles river. if jen...
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