At a certain bowling alley, it costs $0.50 to rent bowling shoes for the day and $1.5 to bowl 1 game. If a person has $12.80 and must rent shoes, what is the greatest number of complete games that person can bowl in one day? Choose the correct choice from the following answers
A) 7	B) 8	C) 9	D) 10	E) 11

Rationale: "after renting bowling shoes the person is left with $ 12.80 - $ 0.5 = $ 12.30 , which is enough for 12.3 / 1.5 < 9 = ~ 8 . answer : b ."
Answer: B