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Mathematics, 03.07.2019 18:00 sassyunicorngir

The floor of a canyon has an elevation of -6.5 feet erosion causes the elevation to change by -0.25 feet per year. how many years will it take for the canyon floor to have an elevation of -20 feet.

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The floor of a canyon has an elevation of -6.5 feet erosion causes the elevation to change by -0.25...
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