Problema Solution
a dairy needs 300 gallons of milk containing 4% butterfat. How many gallons each of milk contaiing 5% butterfat and milk containing 2% butterfat must be used to obtain the desired 300 gallons
Answer provided by our tutors
let x and 100-x be milk contaiing 5% butterfat and milk containing 2% butterfat
0.05x +0.02 y= 300 * 0.04
0.05x +0.02 (100 -x )=12
0.05 x + 2 -0.02x=12
0.03x =10
x=333.33 milk contaiing 5% butterfat