Find the Matrix Product When Possible $1 \times 4$ Matrix And, Using Matrix Multiplication, Write as a Matrix the Sells

question 305

Multiple Choice

Find the matrix product when possible.
-Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of e. 44 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) [750800150 125 250]
• B) [930 620105125 70]
• C) \( \left[\begin{array}{lllll}930 & 566 & 135 & 125 & 70\end{array}\right] \)
• D) These matrices cannot be multiplied.

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