The average cost of 5 books and 4 pens is ₹36. The average cost of 7 books and 8 pens is ₹48 . Find the cost of 12 books and 12 pens together
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Answer:
the cost of 12books and 12 pens together is 84 rupees
Step-by-step explanation:
5books 4pens=36rupees
+7books 8pens=48 rupees
________________________
12books 12 pens=84 rupees
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