Question

store a and store b are selling bread, milk and cookies at different costs that are shown below. find the \\(a_{23}\\)

\\(\

$$\begin{array}{cccc} \\text{items} & \\text{bread} & \\text{milk} & \\text{cookies} \\\\ \\text{store a} & \\$5.00 & \\$0.86 & \\$12.49 \\\\ \\text{store b} & \\$4.50 & \\$0.84 & \\$11.49 \\end{array}$$

\\)

• 11.49
• 0.84

Explanation:

Represent the table as a matrix

$$ M =
LATEXBLOCK0
$$

Identify the element at index (2,3)

$$ a_{23} = M[2][3] = 11.49 $$

Answer:

• (A) 11.49 (Correct answer)
• (B) 0.84