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Mathematics, 22.10.2021 22:50 clipsyden
The coal layer is at -6 7/8 feet below the surface. the copper layer is right under the coal and at 3 1/8 feet tall.
At what depth the layer of copper ends?
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The coal layer is at -6 7/8 feet below the surface. the copper layer is right under the coal and at...
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