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Mathematics, 25.03.2020 00:14 joannakawata6

Suppose that a biker bikes into the wind for 84 miles and it takes him 7 hours. After a long rest, he returns (with the wind on his back) in 6 hrs. Determine the speed at which biker can ride his bike in still air and the effect that the wind had on his speed.

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Suppose that a biker bikes into the wind for 84 miles and it takes him 7 hours. After a long rest, h...

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