What is 91(3456+9878kh)-3(4564-9087)

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

Ineed with number 6 , explain how to get 1978

Can you me find the missing length. i attached an image.