To determine the profit made by selling 4 dozen ball pens, follow these steps:
1. Cost of One Ball Pen:
Each ball pen costs Rs. 12.50.
2. Profit Percentage:
The profit percentage on each ball pen is 15%.
3. Conversion of Dozens to Units:
One dozen equals 12 units. Therefore, 4 dozen ball pens is:
[tex]\[
4 \times 12 = 48 \text{ ball pens}
\][/tex]
4. Profit Per Pen:
To find the profit made on each ball pen, we calculate 15% of the cost of one pen:
[tex]\[
\text{Profit per pen} = \frac{15}{100} \times 12.50 = 0.15 \times 12.50 = 1.875 \text{ Rs}
\][/tex]
5. Total Profit for 4 Dozen Pens:
Now, to find the total profit made by selling 4 dozen (which is 48) ball pens, multiply the profit per pen by the total number of pens:
[tex]\[
\text{Total profit} = 1.875 \times 48 = 90 \text{ Rs}
\][/tex]
So, the profit made by selling 4 dozen ball pens is Rs. 90.
