SOLUTION: A container is partially filled with 12 liters of whole milk containing 4% butterfat. How much 1% milk must be added to get a mixture that is 2% butterfat?
11. Simplify
Algebra ->
Proportions
-> Lessons
-> SOLUTION: A container is partially filled with 12 liters of whole milk containing 4% butterfat. How much 1% milk must be added to get a mixture that is 2% butterfat?
11. Simplify
Log On
Question 60645: A container is partially filled with 12 liters of whole milk containing 4% butterfat. How much 1% milk must be added to get a mixture that is 2% butterfat?
You can put this solution on YOUR website! A container is partially filled with 12 liters of whole milk containing 4% butterfat. How much 1% milk must be added to get a mixture that is 2% butterfat?
Given 4% amt = 12
:
Let x = 1% amt required
:
2% amt = (x+12)
:
The equation:
.04(12) + .01x = .02(x+12)
:
.48 + .01x = .02x + .24
:
.48 - .24 = .02x - .01x
:
.24 = .01x
:
x = .24/.01
x = 24 liters of 1% required
11. Simplify
:
Mult equation by the common denominator; 30 will work: = = =
