SOLUTION: Find how many quarts of 6% butterfat milk and 3% butterfat milk should be missed to yield 60 quarts of 5% butterfat milk.

Question 620537: Find how many quarts of 6% butterfat milk and 3% butterfat milk should be missed to yield 60 quarts of 5% butterfat milk.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find how many quarts of 6% butterfat milk and 3% butterfat milk should be missed to yield 60 quarts of 5% butterfat milk.
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Do it like this:
if a 14% acid solution is mixed with a 19% acid solution to produce 45 gallons of a 15% acid solution how much (in gallons) of each solution should be used?
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f = 14%
n = 19%
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f + n = 45 (total gallons)
14f + 19n = 15*45 (total acid)
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n = 45 - f
Sub for n
14f + 19*(45-f) = 675
14f + 855 - 19f = 675
-5f = -180
f = 36 gallons of 14%
n = 9 gallons of 19%
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