If Tim had lunch at $50.50 and he gave 15% tip, how much did he spend? Choose the correct choice from the following answers:
A) $ 58 B) $ 60.60 C) $ 70.60 D) $ 40.60 E) $ 50.60

Rationale: "the tip is 20 % of what he paid for lunch . hence tip = 15 % of 50.50 = ( 15 / 100 ) * 50.50 = $ 7.575 total spent 50.50 + 7.575 = $ 58 correct answer a"
Answer: A