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A group of 13 friends were planning a trip. On the night before they left they made a lot of phone calls. Each friend talked to every friend at least once. What is the fewest ph…
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A group of 13 friends were planning a trip. On the night before they left they made a lot of phone calls. Each friend talked to every friend at least once. What is the fewest ph…
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Dec 23, 2022
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A group of 13 friends were planning a trip. On the night before they left they made a lot of phone calls. Each friend talked to every friend at least once. What is the fewest phone calls that would have been made.
Mathematics
high-school
Amandeep Grewal
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Amandeep Grewal
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i believe 156 because each person would have had to make 12 phone calls and there are 13 people so 12x13
Cory Kilger
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Dec 29, 2022
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