Final answer:
To calculate the cost price per pen, divide the total cost by the number of pens. The total cost of 95p for 6 pens results in a cost of approximately 15.83p per pen, which is rounded to 15p.
Step-by-step explanation:
The question involves the calculation of the cost price per pen from a given total cost and profit. First, let's find the total selling price. The man made a profit of 25p on 6 pens, so the total selling price is the total cost plus the profit, which is 95p + 25p = 120p. Next, to find the cost price per pen, we need to divide the total cost by the number of pens. The total cost is 95p for 6 pens, so the cost per pen is 95p ÷ 6 = 15.83p. However, since we're looking for the most reasonable closest answer from the options provided, we can round this to the nearest whole number, which is 15p.