Deluxe coffee is to be mixed with regular

coffee to make at least $50$ pounds of a

blended coffee. The mixture must contain at

least $8$ pounds of deluxe coffee. Deluxe

coffee costs $$6$ per pound and regular coffee

$$4$ per pound. How many pounds of each

kind of coffee should be used to

minimize costs?

To attain the minimum cost, use

pounds of deluxe coffee and

pounds of regular coffee.