Question 412152: Find how many quarts of 6% butterfat milk and 3 % butterfat milk should be mixed to yield 45 quarts of 5% butterfat milk Found 2 solutions by emargo19, josmiceli:Answer by emargo19(101) (Show Source):
You can put this solution on YOUR website! Let x= number of quarts of 6% buttermilk
y= number of quarts of 3% buttermilk
____________
EQ 1
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Multiply 0.03 by EQ (1)
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__________
EQ 2
---------- ----(Simplfy this EQ 2)
Therefore (Eq 1) (Eq 2)
Subtract (Eq 1) from (Eq 2)
15 quarts of 6% buttermilk are mixed with 15 quarts of 3% buttermilk.
You can put this solution on YOUR website! Let = quarts of 6% milk needed
Let = quarts of 3% milk needed
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In words:
(total quarts of butterfat)/(total quarts of milk) = 5%
(1)
(2)
---------------
From (1)
(1)
(1)
(1)
(1)
----------------
(2)
(2)
(2)
and,
(2)
(2)
30 quarts of 6% and 15 quarts of 3% butterfat milk are needed
check answer:
(1)
(1)
(1)
(1)
OK