1. using matrix multiplication, create the matrix that represents the cost of ingredients used by each person to make their pies. create matrix p to represent the person, and matrix l to represent cost of ingredients. then multiply to determine matrix pi.
2. using pi, what is the cost of ingredients for the pies polly made?
3. using pi, determine whether the cost of ingredients or the pies patrica baked is more or less than half the cost of ingredients for all the pies baked by the three bakers.
4. using matrix multiplication, create the matrix ps that represents the income of each baker for each of the 2 stores at which prefect pies are sold.
5. using ps, which baker yielded the greatest income? what is this income?
6. using ps, what income did polly realize from sugary sarah’s?