Bingo's Copy Center needs to buy white paper and yellow paper. Bingo's can buy from three suppliers. Harvard Paper sells a package of 20 reams of white and 10 reams of yellow for $60, Yale Paper sells a package of 10 reams of white and 10 reams of yellow for $40, and Dartmouth Paper sells a package of 10 reams of white and 20 reams of yellow for $50. If Bingo's needs 340 reams of white and 410 reams of yellow, how many packages should it buy from each supplier to minimize the cost?
Harvard
packages?
Yale packages?
Dartmouth packages?
What is the least possible cost?
