A nutritionist for a cereal company blends two cereals in three different mixes. The amounts of protein, carbohydrate, and fat (in grams per ounce) in each cereal are given by matrix M. The amounts of each cereal used in the three mixes are given by matrix N.

(A) Find the amount of protein in mix X.

(B) Find the amount of fat in mix Z.

(C) Discuss possible interpretations of the elements in the matrix products MN and NM.

(D) If either of the products MN or NM has a meaningful interpretation, find the product and label its rows and columns.

Transcribed Image Text:

Cereal A Cereal B 4 g/oz 2g/0z M = 20 g/oz 16 g/oz 3 g/oz Protein Carbohydrate 1 g/oz] Fat Mix X Mix Y Mix Z 15 oz 10 oz 5 oz] CerealA 15 oz N = 5 oz 10 oz Cereal B