David leaves his house, jogging down the street at 4 mph. once david has gone 1/5, jacob comes out and follows him at a rate of 4.5 mph. how long will it take jacob to catch david?

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=