ojasrana2504 ojasrana2504

23-02-2017
Mathematics

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a phone chain is used to alert a phone chain. Mary calls 4 people. Those 4 people each call 4 people . Those additional people call 4 more people. How many people have been called

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Аноним Аноним

23-02-2017

16 people have been called

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nmatthew178 nmatthew178

23-02-2017

I think it is 68 people

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