SOLUTION: Weighted Averages.
A liter of cream has 9.2% butterfat. How much skim milk containing 2% butterfat should be added to the cream to obtain a mixture with 6.4% butterfat?
Algebra ->
Average
-> SOLUTION: Weighted Averages.
A liter of cream has 9.2% butterfat. How much skim milk containing 2% butterfat should be added to the cream to obtain a mixture with 6.4% butterfat?
Log On
Question 164966This question is from textbook
: Weighted Averages.
A liter of cream has 9.2% butterfat. How much skim milk containing 2% butterfat should be added to the cream to obtain a mixture with 6.4% butterfat? This question is from textbook
You can put this solution on YOUR website! Let x = amount of skim milk added
.
.092 + .02x = .064(1+x)
.092 + .02x = .064+.064x
0.028 + .02x = .064x
0.028 = .044x
0.6364 liters = x (amount of skim milk to add)
