A store mixes Kentucky bluegrass worth $12 per pound and chewing fescue worth $16 per pound. The mixture is to sell for $15 per pound. Find out how much of each should be used to make for 372 pound mixture
Let the amount of Kentucky Bluegrass be k. Let the amount of Chewing Fescue be c. [tex]12k+16c=15\times372[/tex] k+c=372 c=372 - k 12k + 16(372 - k) = 15 * 372 = 5580 12k + 5952 - 16k = 5580 -4k = -372 k = 93 pounds c = 372 - 93 = 279 pounds
