SOLUTION: A dairy wishes to mix together 1,000 pints of milk that contains 8% butterfat. If the mixture is to be made from milk containing 5% butterfat, and cream containing 20% butterfat, h

Question 936074: A dairy wishes to mix together 1,000 pints of milk that contains 8% butterfat. If the mixture is to be made from milk containing 5% butterfat, and cream containing 20% butterfat, how many pints of each is needed?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = pints of 5% butterfat
y = pints of 20% butterfat
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x + y = 1000
5x + 20y = 8*1000
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put the system of linear equations into standard form
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x + y = 1000
5x + 20y = 8000
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solution:
x = pints of 5% butterfat = 800
y = pints of 20% butterfat = 200
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