What is the net-price rate when a designer swimsuit, originally priced at $85 is discounted 25/60?

Designer's swimsuit is originally priced at 85 dollars.
NOw, it applied a discount which is 25/60. First, let's find out how much the discount rate.
=> 25 / 60 = 0.42 * 100 = 42% is the discount.
=> 85 dollars * 0.42 = 35.7 is the discount.
=> 85 dollars - 35.7 dollars = 49.3 dollars is now the price.