Answer :

Here we consider the types of items sold along the column and the store in which they are stored along the rows

Thus week 1 and week 2 matrices can be written as

W_{1} = and W_{2} =

The sum of the items sold in two weeks is the sum of the above two matrices, which is sum of each corresponding elements of the two matrices

W_{1} + W_{2} =

⇒

TV DVD video CD

⇒ The sum of items sold in two weeks =

Rate this question :

if <img width="32Tamil Nadu Board - Math

Solve for</Tamil Nadu Board - Math

Find X and Y if 2Tamil Nadu Board - Math

If A =</spaTamil Nadu Board - Math

If <img width="30Tamil Nadu Board - Math

The fees structurTamil Nadu Board - Math

An electronic comTamil Nadu Board - Math

If <img width="38Tamil Nadu Board - Math

If <img width="16Tamil Nadu Board - Math

If <img width="25Tamil Nadu Board - Math