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3x 2y ≤ 30, 5x 7y ≤ 105 B. 3x 2y ≥ 30, 5x 7y ≥ 105 C. 3x 2y ≥ 30, 5x 7y ≤ 105 D. 3x 2y ≤ 30, 5x 7y ≥ 105