deluxe coffee is to be mixed with regular coffee to make at least 48 pounds of a blended coffee. the mixture mustContain at least 14 pounds of the deluxe coffee. The luxe coffee cost six dollars per pound of regular coffee three dollars per pound how many pounds of each kind of coffee should be used to minimize cost

Answer 1

cost = 6 d + 3 r
d + r = 48
but d = 14 for minimum cost (makes problem trivial)
r = 48 - 14 = 24