Question

How many ways can first, second, and third place be awarded in a race of 20 people?

Answer 1

Once if there's only that one race.

Answer 2

20!/17!=20*19*18=6840

Answer 3

What is the restriction on the quotient of quantity 5 x squared minus 10 x minus 15 divided by quantity x squared minus 9 divided by quantity 6 x plus 12 divided by quantity x plus 2

Answer 4

Thank you !

Answer 5

It is 6840 difference ways.