You are hiking with three friends. You pass a group of six hikers going the other way. Each person in one group greets each person in the other group. How many greetings are there? 18 24 36 12

You are hiking with three friends. You pass a group of six hikers going the other way. Each person in one group greets each person in the other group. How many greetings are there?

18

24

36

12

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You are hiking with three friends. You pass a group of six hikers going the other way. Each person in one group greets each person in the other group. How many greetings are the…

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