The cost of 2 books, 6 notebooks and 3 pens is Rs. 40. The  cost of 3 books, 4 notebooks
Channel: Doubtnut
Date: 29/03/2020

The cost of 2 books, 6 notebooks and 3 pens is Rs. 40. The  cost of 3 books, 4 notebooks and 2 pens is Rs. 35 , while the cost of 5 books, 7 notebooks and 4 pens  is Rs. 61. Using these informations and matrix , find the cost of one book , one notebook and one pen separately .