The number of ways is $\binomn - k + 1k = \binom7 - 4 + 14 = \binom44 = 1$ - AMAZONAWS

📅 March 6, 2026 👤 scraface

Mar 06, 2026

$The number of ways is $\binom{n - k + 1}{k} = \binom{7 - 4 + 1}{4} = \binom{4}{4} = 1$$