Question

the cost of onr pen is rs 7 , then what is the cost of n pens
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Answer 1

Step-by-step explanation:

If the cost of one pen = Rs 7

Then the cost of n pens will be

n × 7 or 7n

Answer 2

Solution:

Since, the cost of one pen is 7Rs

So, cost of 'n' pens will be = 7×n=7n Rs.