At the zoo, all the animal keepers need to have direct telephone line to each other. If there are 10 keepers, how many lines do they need?

Schalkneethling asked May 7, 2022

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29 votes

At the zoo, all the animal keepers need to have direct

telephone line to each other. If there are 10 keepers, how
many lines do they need?

Schalkneethling asked May 7, 2022

2.1k points

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20 votes

Explanation:

hope its clear I couldn't send the actual pic as it is very big

Katisha answered May 14, 2022

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