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September 18, 2014

September 18, 2014

Posted by **Deb** on Sunday, January 15, 2012 at 8:54pm.

Marks pet needs to eat at least 18 grams of fiber but less than 25 grams of protein each day. Mark gives his dog Food A and Food B throughout the day. Food A has 2 grams of fiber and 3 grams of protein in each serving. Food B has 4 grams of fiber and 1 gram of protein for each serving.

a. Write a system of inequalities that determine the maximum and minimum amount of each food Mark can give his pet each day. Will the amount of Food A or B ever be negative? Please account for this in your system of inequalities.

b. Give three solutions that would solve Marks pet needs. Show that each solution works.

- Algebra 1 -
**Anonymous**, Sunday, January 15, 2012 at 9:38pm2A+4B>18

3A+1B < 25

A>0

B>0

(A,B) = (1,5) …2(1)+4(5)>18 and 3(1)+1(5) < 25

(A,B) = (2,5) …2(2)+4(5)>18 and 3(2)+1(5) < 25

(A,B) = (3,5) …2(3)+4(5)>18 and 3(3)+1(5) < 25

- Algebra 1 -
**Mrs. Guest-Johnson**, Friday, January 20, 2012 at 2:44amIf you copy and paste this solution, you will earn a 0 for plagiarism. Do your own work. Solve it a different way.

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