Home > PC3 > Chapter 9 > Lesson 9.1.1 > Problem 9-8
Shola’s Bakery uses sugar, eggs, and butter in all of its cakes, as well as in the frosting. Matrix
Write the matrix
being sure to label the rows and columns, and explain what it represents.
Write the matrix
, with labels, and explain what it represents.
Leora orders three angel food cakes and two devil’s food cakes both without frosting, as represented by the matrix
at right. Use matrix multiplication to write a matrix that shows how much sugar, eggs, and butter Shola will need to fill Leora’s order. Show all of your work. Compute
.