It is already to late to answer this because my final was due yesterday: What percent is increase if the boy had 12 comic books and bought mores so now he has 15 comic books.

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays