max=200×x1+300×x2;x1≤100;x2≤120;x1+2×x2≤160; max = 200 \times x_1 + 300 \times x_2; x_1 \leq 100; x_2 \leq 120; x_1 + 2 \times x_2 \leq 160; max=200×x1+300×x2;x1≤100;x2≤120;x1+2×x2≤160;
max = 200*x1 + 300*x2;
x1 <= 100;
x2 <= 120;
x1 + 2*x2 <= 160;