A pen costs 75; after a 15% discount; its price is

Original price = 75. Discount = 15% of 75 = 0.15 × 75 = 11.25. Discounted price = 75 – 11.25 = 63.75; rounded to 64; but per options; closest is 60. Likely a typo in options. Understanding discounts is key for financial calculations; this is vital for exams or economic discussions; accurate steps ensure clarity in pricing analysis; option C is closest; knowing such methods aids in consumer mathematics or budgeting.