Answer:

8 pens

Step-by-step explanation:

To calculate how many pens can be bought with ₹72, divide the total amount by the cost of one pen:

Number of pens = Total amount ÷ Cost of one pen

Number of pens = ₹72 ÷ ₹9

Number of pens = 8

So, with ₹72, you can buy 8 pens.

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Answer:

8 pens can be bought by ₹72 if the cost of a pen is ₹9.

Step-by-step explanation:

As the Cost of a pen is ₹9, Therefore 72÷9

=8

Hence proved