Q. 115.0( 1 Vote )

An electronic com

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

W1 = and W2 =

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

W1 + W2 =

TV DVD video CD

The sum of items sold in two weeks =

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