If Tim had lunch at $50.50 and he gave 20% tip, how much did he spend?  Options:
A) $ 30.60	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 = 20 % of 50.50 = ( 20 / 100 ) * 50.50 = 101 / 100 = $ 10.10 total spent 50.50 + 10.10 = $ 60.60 correct answer b"
Answer: B