Problema Solution
Find how many quarts of 4% butterfat milk and 1% butterfat milk should be mixed to yield 60 quarts of 2% butterfat milk.
Answer provided by our tutors
0.04x + 0.01y = 60*0.02
x + y = 60
solving we get
20 quarts of 4%
and 40 quarts of 1%