Asked by Melanie
The tournament starts with 64 teams playing 32 games and continue until there is only one team left.
Come up with a formula for how many teams are left after x rounds.
Ok so far I have
y= 64-x-32
However, I know that won't work. I'm just not really sure what to do with the 32.
Come up with a formula for how many teams are left after x rounds.
Ok so far I have
y= 64-x-32
However, I know that won't work. I'm just not really sure what to do with the 32.
Answers
Answered by
Damon
64 * (1/2)^x = 1
2^x = 64
x = 6
It goes like this
64/2 = 32
32/2 = 16
16/2 = 8
8/2 = 4
4/2 = 2
2/2 = 1
so
after n rounds
teams left = 64 * (1/2)^n
2^x = 64
x = 6
It goes like this
64/2 = 32
32/2 = 16
16/2 = 8
8/2 = 4
4/2 = 2
2/2 = 1
so
after n rounds
teams left = 64 * (1/2)^n
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