A man buys a number of pens for Rs. 180 . If he had bought 3 more pens for the same amount, each pen would have cost him Rs. 3 less. How many pens did he buy?

contexto.140

3 years ago

Let the total number of pens be .

According to the question:

The total number of pens cannot be negative; therefore, the total number of pens is 16 .