Model ropes Variables x[1:3] = 0, >=0 y[1:4] = 0, >= 0 A = 0 B = 0 p = 0 End Variables Equations maximize p p <= 0.5 * A p <= B A = 2*x[1] + 3*x[3]+4*y[2]+3*y[3]+y[4] B = x[1]+ 2*x[2] + 3*y[1] + y[3] + 2*y[4] 400 >= x[1]+x[2]+x[3] 100 >= y[1]+y[2]+y[3]+y[4] End Equations End Model