jenbell1990 jenbell1990

04-04-2018
Mathematics

contestada

There are 12 horses in a race. In how many ways can all the horses finish?

Respuesta :

ladoososso ladoososso

04-04-2018

1st is 1 of 12.
Then 1 of 11, then 1 of 10
----
= 12*11*10 = 1320 ways

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Ceciliaah Ceciliaah

04-04-2018

12 horses to fill 3 positions

12 horses to fill 1st opening , when filled

leaves 11 horses to fill 2nd opening , when filled

leaves 10 horses to fill 3rd opening

12 * 11 * 10 ways to fill the 3 spots

Answer Link

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