Re: Brain Teaser
3 seagulls, 4 pilings.
S = number of seagulls
N = number of pilings
S = 2N - 2
S = N + 1
N + 1 = 2N - 2
N + 3 = 2N
N = 3, S = 4
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3 seagulls, 4 pilings.
S = number of seagulls
N = number of pilings
S = 2N - 2
S = N + 1
N + 1 = 2N - 2
N + 3 = 2N
N = 3, S = 4