A pair of articles was bought for $50 at a discount of 10%. What must be the marked price of each of the article?	Choose the correct choice from the following answers:
A) $ 25 B) $ 22.50 C) $ 29.65 D) $ 35.95 E) $ 45.62

Rationale: "s . p . of each of the article = 50 / 2 = $ 25 let m . p = $ x 90 % of x = 25 x = 25 * . 9 = $ 22.50 answer is b"
Answer: B