L$.$P$.$ Model:

Minimize $Z=,15x+30Y$

Subject $to$: $7x+11Y66,(C_1)$

$,16x+4Y48,(C_2)$

$,x,Y0$

On the graph on right, constraints $C_1$ and $C_2$ have been drawn.

Using the point drawing tool, plot all the corner points for the feasible area.