The bookshop of a particular school 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 from selling all the books using matrix algebra.
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chemistry book: 12×12= 144
physics book:12×8=96
economics book; 12×10=120
144
96. (80 60 40)
100
:-) (11520+5760+4000)
=(21280)1×1
the total amt the book shop will receive from selling all the books = (21280)
physics book:12×8=96
economics book; 12×10=120
144
96. (80 60 40)
100
:-) (11520+5760+4000)
=(21280)1×1
the total amt the book shop will receive from selling all the books = (21280)
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