Question

7. The cost of 7 notebooks is 406 and the cost of 9 pens is 2162. Find the cost of 13 notebooks and 17 pens.​

Answer 1

Answer:

Step-by-step explanation:

cost of seven books = ₹406

cost of each book =406/7

=₹58

cost of nine pens=₹162

cost of one pen = 162/9

=₹18

cost of 13 books=13×58

=₹754

cost of 17 pens =17×18

=₹306

Hence, the cost of 13 books is ₹754

cost of 17 pens is ₹306

Answer 2

Answer:

The cost of 13 notebooks is 754 rupees.

The cost of 17 pens is 4083.77777778 rupees.

Step-by-step explanation:

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