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How many two-person carpools are possible with seven people

User Aparan
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1 Answer

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3. Here's why:
7 is a prime number and also is an odd number. That means you have to find an even number that 2 can go into less than 7. 6 is the greatest number less than 7 that is a multiple of 2. 6÷2=3. So, 3 is your answer.

I hope this helps:)
User Adam Spence
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