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How many variations of the salad can you make containing at least 3 vegetables.
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How many variations of the salad can you make containing at least 3 vegetables.

How many variations of the salad can you make containing at least 3 vegetables.-example-1
User Stefan Svrkota
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There are 7 options for the vegetables, and we can only pick 3. The number of variations is determined by


\binom{7}{3}=(7!)/(3!(7-3)!)=35

Therefore, there are 35 variations

User Lexual
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