In a casino game Ruben rolls a die and whenever a one or a six is rolled he receives a token. The game ends when Ruben has recei
ved y tokens; he then receives $x, where x is the number of rolls he has made. 40 (a) The probability of the game ending on the sixth roll is 729. Find the value of y. (b) The casino wishes to make an average profit of $3 per game. How much should it charge to play the game
