Winplot: Graphing Lines

The lines we wish to draw correspond to the boundaries of the region:

x	+	2y	≤	16	equa / explicit	y =	(16-x ) / 2
x	+	y	≤	9	equa / explicit	y =	9-x
3x	+	2y	≤	24	equa / explicit	y =	( 24 - 3x ) / 2
x			≥	0	equa / line	x =	0
		y	≥	0	equa / explicit	y =	0