Le Boulangerie, a Bakery, Sells Four Main Items: Sweet Rolls $1 \times 4$

question 336

Multiple Choice

Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A.
Suppose a day's orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50 cakes, and 60 pies. Write the orders as a $1 \times 4$ matrix and, using matrix multiplication, write as a matrix the amount of each ingredient needed to fill the day's orders.

• A) \([ 66075413512570 ]\)
• B) \(\left[ \begin{array} { l l l l l } 660 & 1150 & 150 & 125 & 250 \end{array} \right]\)
• D) These matrices cannot be multiplied.

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