A casino table pays 3:2 if you get a blackjack with your first 2 cards. If you scored a blackjack and were paid $60, what was your original bet? Think carefully first, then make a decision:
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The payout for blackjack is 3:2 or 3 / 2 = 1.5 times my bet. If my original bet was X then I won 1.5 * X my bet. Given that I was paid $60 we know $60 = 1.5X. X = $60 / 1.5. X = $40 was my original bet. So, the answer is 40.
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