Question 1 Exercise 5,
a) To get the matrix for the wiight, you just have to put the weight of the food in a matrix. A= [5 6]

b) Type the numbers directly into a 2x2 matrix B=[5 7]
[3 9]

c) Go into the matrix operations on your calculator. Adjust matrix's to right size. Put in the numbers from A&B. You end up with C= [43 89]

d) To determine the total cost you have to make another matrix with the values per Kg. [5 6] [2.25 3.50]=[32.25]