Some question: During a sale, the price of a pair of shoes is marked down 10% from the regular price. After the sale ends, the price goes back to the original price. What is the percent of increase to the nearest percent from the sale price back to the regular price for the shoes?\nOptions:\n(A) 9%\n(B) 10%\n(C) 11%\n(D) 15%\n(E) 90%
Some stream of consciousness:
User
Assume the price = 100\nPrice during sale = 90\nPrice after sale = 100\nPercent increase = 10/90*100 = 11% approx. The answer: (C).
Assistant