1.

Solve graphically the system:3x +4y < 12, x-y < 1, x >=20, y >=20.

Answer»

3x+4y<12x-y<1 so 4x-4y<43x+4y+4x-4y<12+47x<16so x<16/748/7+4y<12so 4y<12-48/7so 4y<36/7so y<9/7



Discussion

No Comment Found