23. The bookshop of a particular scnool has 10 dozen chemistry books, – InterviewSolution

1.	23. The bookshop of a particular scnool has 10 dozen chemistry books, 8 dozen physicsbooks, 10 dozenrespectively. Find the total amount the bookshop will receive from selling all the boksusing matrix algebra.economic books. Their selling price are Rs 80, Rs 60, and Rs 40 each
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