A troubleshooting activity where there is a current state of events X, a future desired state of events Y, and the troubleshooter's objective is to move from X to Y is called .

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 t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=