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 9 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 oats costs $10 and contains 20 lb of protein, 5 lb of fat, and 1 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 oats |
B.
sacks of soybeans and 
sacks of oatsC.
sacks of soybeans and 
sacks of oatsD. 0 sacks of soybeans and 2 sacks of oats
Answer: A
You might also like to view...
Which of the following is not true about the comparative size of integers on a number line? ?
A. ?If a> b, then a is to the left of b on a number line. B. ?If a> b, then a is to the right of b on a number line. C. ?A number line extends indefinitely, both left and right. D. ?The ascending order of the integers, 4, -5, 0, -3, and 6 is: -5, -3, 0, 4, and 6. E. ?All negative integers are smaller than any positive integer, even if the absolute value of the negative integer is larger than the positive integer.
Use the integral test to determine whether the series converges.
A. converges B. diverges
Calculate the flux of the field F across the closed plane curve C.F = x2i + y2j; the curve C is the closed counterclockwise path around the triangle with vertices at (0, 0), (1, 0), and (0, 2)
A. 0
B. 6
C. - 
D. 2
Find the rate. Round to the nearest tenth of a percent.Principal: $6,500Time: 120 daysInterest: $249.17
A. 3.8% B. 11.7% C. 7.6% D. 11.5%