Top grade Turf lawn seed mixture contains three types of seeds: bluegrass, rye, and Bermuda. The cost per pound of the three types of seed are 11 cents, 14 cents, and 6 cents, respectively. In each batch there must be at least 20% bluegrass seed, and the amount of Bermuda must be no more than 2/3 the amount of rye. To fill current orders, the company must make 9000 lbs of the mixture.. How much of each seed is used to minimize cost?
Minimum cost--->
Each seed lbs