Lindo Systems

MODEL:
  !  Total profit for the week;
      MAX = 200 * WS + 300 * NC;

  !  The total number of Wordsmiths produced is limited
      by the supply of graphics chips;
       WS <= 60;

  !  The total number of Numbercrunchers produced is
      limited by the supply of math coprocessors;
       NC <= 40;

  !  The total amount of memory used in all machines
      manufactured for the week can't exceed 120 Mb;
       WS + 2 * NC <= 120;
END