A certain bookshop has 10 dozen chemistry books, 8 dozen physics books, 10 dozen economics books. Their selling prices are Rs. 80, Rs. 60 and Rs. 40 each respectively. Find the total amount the bookshop will receive by selling all the books, using matrix algebra.

Hello student,

The bookshop has 10 dozen chemistrybooks, 8dozen physics books, and 10 dozen economics books.

Theselling prices ofa chemistry book, a physics book, and an economics book are respectively given as Rs 80, Rs 60, and Rs 40.

The total amountof money that will be received from the sale of all these books can be represented in the form of a matrix as:

Thus the bookshop will receive a total of 20160 from the sale of all books.