Solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 12 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of alfalfa costs $11 and contains 30 lb of protein, 8 lb of fat, and 3 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost?
A. 2 sacks of soybeans and 0 sacks of alfalfa
B. 
sacks of soybeans and 
sacks of alfalfa
C. 0 sacks of soybeans and 2 sacks of alfalfa
D. 
sack of soybeans and 
sack of alfalfa
Answer: D
You might also like to view...
Evaluate the integral.
A. 
+ C
B. 
+ C
C. [ln (t6 + 7)]2 + C
D. 
+ C
Express the sum or difference as a product of sines and/or cosines.sin (8?) + sin (2?)
A. 2 cos (5?) sin (3?) B. 2 sin (10?) C. 2 sin (5?) cos (3?) D. 2 sin (5?) sin (3?)
Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find A + B.
A. 
B. 
C. 
D. 
Solve the problem.Claire has received scores of 85, 88, 87, and 90 on her algebra tests. What score must she receive on the fifth test to have an overall test score average of at least 87?
A. 83 or greater B. 86 or greater C. 85 or greater D. 84 or greater