$4.25 Penelope spent $16.50 altogether at the carnival and the number of games you played is four times the number of fried she went on right a system of equations that can be used to determine the number of games Penelope played in the number of rides Penelope went on define the variables that used to ride the system
and one $20 bill. The player then picks out a marble from a bag containing one gold marble and three red marbles. If a player picks a red marble out of the bag, they keep the money they pulled from the money bag. If a player pulls a gold marble out of the bag, they get to double the amount of money they pulled from the money bag. What is the expected value of this game?