!ENCE 360, Water Allocation LP, LINDO formulation
!Dr. Steven A. Gabriel

max -x1+2x2   !objective function
s.t.
2x1+3x2<=24   !water constraint
2x1 +x2<=12   !people constraint
x1     <=5    !land constraint
x2     <=7    !land constraint
end
! nonnegative variables assumed