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18 March, 07:30

In a race, there are 20 runners. Trophies for the race are awarded to the runners finishing in first and second place. In how many ways can first and second place be determined

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  1. 18 March, 07:56
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    There are 380 ways that 1st and 2nd place can be determined in the race

    Step-by-step explanation:

    There are 20 possibilities for determine the 1st place

    There are 19 possibilities for determine the 2nd place

    Number of ways that 1st and 2nd place can be determined = 20 * 19

    Number of ways that 1st and 2nd place can be determined = 380
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