Question 1061386
Let n be the amount of more expensive feed. Then the cheaper feed would be 60-n. So:
210n+180(60-n)=200(60)
30n+10800=12000
30n=1200
n=40
The store needs 40 tons of $210 feed, and 20 tons of $180 feed for its' mix. &#9786;&#9786;&#9786;&#9786;