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MATH / There are ten meerkats in a colony. Every night, two meerkats stand guard while…

Problem

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problem

There are ten meerkats in a colony. Every night, two meerkats stand guard while the others sleep. During a certain period of nights, every meerkat stands guard with every other meerkat exactly once. During that period, how many nights of sleep does each meerkat get?

level

Level 5

type

Prealgebra

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