Question 1120183
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Here is a quick way to solve mixture problems like this involving must two ingredients.<br>
See if it makes sense to you....  You will get the answer in a fraction of the time required for the formal algebraic solution shown by the other tutors.<br>
(1) 11% is 3/8 of the way from 8% to 16%.
(2) Therefore 3/8 of the mixture must be the 16% ingredient.
Answer: 3/8 of the mixture -- 3/8 of 320 pounds = 120 pounds -- is the 16% protein soybean meal; the other 5/8 of the mixture -- the other 200 pounds -- is the 8% protein cornmeal.