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A factory produces two products, A and B. The production of x barrels of A and y barrels of B results in CO emissions of 0.25x + 0.60y units and SO2 emissions of 0.60x + 0.20y units. The factory's dai

Mathematics

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The system of inequalities for Q2 shown in your work is correct.

Q2: System of Inequality
The system of inequalities is:

0.25x+0.60y≤750.25x + 0.60y \le 75 0.60x+0.20y≤900.60x + 0.20y \le 90 x≥0x \ge 0 y≥0y \ge 0

Q3: Would it be legal for the factory to produce 100 barrels of A and 80 barrels of B per day?

  1. Substitute x=100x = 100 and y=80y = 80 into the CO emission inequality.

    0.25(100)+0.60(80)≤750.25(100) + 0.60(80) \le 75 25+48≤7525 + 48 \le 75 73≤7573 \le 75

    This condition is satisfied.

  2. Substitute x=100x = 100 and y=80y = 80 into the SO₂ emission inequality.

    0.60(100)+0.20(80)≤900.60(100) + 0.20(80) \le 90 60+16≤9060 + 16 \le 90 76≤9076 \le 90

    This condition is also satisfied.

    Since both emission limits are met, it would be legal.
    The answer is: Yes, it would be legal.\boxed{\text{Yes, it would be legal.}}

    Q4: Would it be legal for the factory to produce 60 barrels of A and 160 barrels of B per day?

  3. Substitute x=60x = 60 and y=160y = 160 into the CO emission inequality.

    0.25(60)+0.60(160)≤750.25(60) + 0.60(160) \le 75 15+96≤7515 + 96 \le 75 111≤75111 \le 75

    This condition is not satisfied, as 111 is greater than 75.

  4. Substitute x=60x = 60 and y=160y = 160 into the SO₂ emission inequality.

    0.60(60)+0.20(160)≤900.60(60) + 0.20(160) \le 90 36+32≤9036 + 32 \le 90 68≤9068 \le 90

    This condition is satisfied.

    Since the CO emission limit is exceeded, it would not be legal.
    The answer is: No, it would not be legal.\boxed{\text{No, it would not be legal.}}

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