Math question about the Derby

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  • Pistol Pete
    Restricted User
    • 08-30-05
    • 330

    #1
    Math question about the Derby
    Expecting Ganch or anyone who is good with math to help me out here. There are 20 horses in this yrs race. I was wondering how much it would be to bet a $1 superfecta with every possible combination?
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