SOLUTION: How many bushels from a mixture that is 1/3 oats must be added to 480 bushels of a mixture that is 75% corn to get a mixture that will be 70% corn?

Question 177778: How many bushels from a mixture that is 1/3 oats must be added to 480 bushels of a mixture that is 75% corn to get a mixture that will be 70% corn?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How many bushels from a mixture that is 1/3 oats must be added to 480 bushels of a mixture that is 75% corn to get a mixture that will be 70% corn?
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Equation:
corn + corn = corn
(2/3)x + 0.75(480) = 0.70(480+x)
(2/3)x + 360 = 336 + 0.7x
24 = 0.3333x
x = 72 bushels (# of bushels containing 1/3 corn that must be in the mixture)
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Cheers,
Stan H.

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