SOLUTION: Amanda needs a mixture of 20.16% oats and 79.8% corn. She currently has 28 pounds of a mixture of 90% oats. How many pounds of corn should be added to the mixture?

Question 323155: Amanda needs a mixture of 20.16% oats and 79.8% corn. She currently has 28 pounds
of a mixture of 90% oats. How many pounds of corn should be added to the mixture?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = pounds of corn she needs to add
given:
pounds of oats
---------------------------
Note that , so there
is .04% of something else
--------------------------
(oats)/(oats + corn) = 20.16%

She should add 97 pounds of corn
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