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college math

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The odds against WildHorse winning the third race are 11:2. If Molly places a $4 bet on WildHorse to win and WildHorse wins, find Molly’s net winnings

A) $5.50 B) $44 C) $16.50 D) $11 E) $22

  • college math -

    The net profit on every $2 is $11.
    So if you bet $2 and win you will get your two dollars back plus the eleven. Your net winnings is your gain which is the eleven.
    Of course if you bet $4 instead of $2, you will get twice as much.

  • college math -

    How many different four-digit numbers can be formed from the digits 0 through 9 if the first digit must be even and cannot be zero?

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