A game of diceDiscrete Mathematics Level pending
You roll a dice repeatedly until a 1 or a 2 is obtained.
You win 5$ if you had one roll, 10$ if you had 2 rolls, 15$ if you had 3 rolls, et cetera
How much should you expect to win?
The roll in which a 1 or 2 is obtained counts. Give your answer in dollars without the dollar sign.