Please can u help me with this and an explanation

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 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

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9