Answer:
30
Step-by-step explanation:
Let be a random variable denoting the amount of winnings in any given round of the game. There is some probability of winning where , while , assuming these are the only two possible outcomes. So we have
5x + 2 - 3x - 1 = 3x + 2
5x - 3x - 3x = - 2 + 1 + 2
5x - 6x = 1
-1x = 1
x = 1 / -1
x = -1
s = 8t
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