A mining company operates three mines that each produce
Chapter , Problem 43(choose chapter or problem)
A mining company operates three mines that each produce three grades of ore. The daily yield of e"ch mine is shown in the following table: Daily Yield Mme I Mme2 Mine J llighgradc ore I ton I ton 2 to ns \1edium-gratlc ore 1 ton 2 to ns 2 to ns Low-grade ore 2 tons I ton 0 tons (a) Can the company supply exactly 80 tons of highgrade. 100 tons of medium-grade. and 40 tons of
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