The total cost of 8 books and 5 pens is 92 rupees and total cost of 5 books and 8 pens is 77 rupees.Find cost of 3 books and 2 pens
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By solving this sum
cost of 1 book is Rs 9
therefore cost of 3 books is Rs 27
cost of 1 pen is Rs 4
Therefore cost of 2 pens is Rs 8
cost of 1 book is Rs 9
therefore cost of 3 books is Rs 27
cost of 1 pen is Rs 4
Therefore cost of 2 pens is Rs 8
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