The maximum amount of day he can rent a video game for is 2 days if he has $12 to spend. The equation for how many days he can rent a video game is; (m-3)/4=d D represents the number of days he can rent the video game and M represents that amount of money he has. The number which is found through the equation needs to be rounded down, since he can’t keep it for a fraction of a day. The y-intercept is 4.