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A milling company wants to mix alfalfa, which contain 20% protein, and wheat mids,† which contain 15% protein, to make cattle feed. (a) If you make a mixture of 20 pounds of alfalfa and 60 pounds of wheat mids, how many pounds of protein are in the mixture? (Hint: In the 20 pounds of alfalfa, there are 20 ✕ 0.2 = 4 pounds of protein.) ___ lbs (b) Write a formula that gives the amount of protein in a mixture of a pounds of alfalfa and w pounds of wheat mids. p(a, w) =________   (c) Suppose the milling company wants to make 1000 pounds of cattle feed that contains 17% protein. How many pounds of alfalfa and how many pounds of wheat mids must be used? alfalfa     ______ lbs wheat mids      ______lbs

A milling company wants to mix alfalfa, which contain 20% protein, and wheat mids,† which contain 15% protein, to make cattle feed. (a) If you make a mixture of 20 pounds of alfalfa and 60 pounds of wheat mids, how many pounds of protein are in the mixture? (Hint: In the 20 pounds of alfalfa, there are 20 ✕ 0.2 = 4 pounds of protein.) ___ lbs (b) Write a formula that gives the amount of protein in a mixture of a pounds of alfalfa and w pounds of wheat mids. p(a, w) =________   (c) Suppose the milling company wants to make 1000 pounds of cattle feed that contains 17% protein. How many pounds of alfalfa and how many pounds of wheat mids must be used? alfalfa     ______ lbs wheat mids      ______lbs

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section6.3: Inverses Of Matrices And Matrix Equations
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A milling company wants to mix alfalfa, which contain 20% protein, and wheat mids,† which contain 15% protein, to make cattle feed.

(a) If you make a mixture of 20 pounds of alfalfa and 60 pounds of wheat mids, how many pounds of protein are in the mixture? (Hint: In the 20 pounds of alfalfa, there are 20 ✕ 0.2 = 4 pounds of protein.)
___ lbs

(b) Write a formula that gives the amount of protein in a mixture of a pounds of alfalfa and w pounds of wheat mids.
p(a, w) =________
 
(c) Suppose the milling company wants to make 1000 pounds of cattle feed that contains 17% protein. How many pounds of alfalfa and how many pounds of wheat mids must be used?
alfalfa     ______ lbs
wheat mids      ______lbs

 

PLACE THE ANSWER IN THE LINE (__?__).

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