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1. Find 2 arithmetic means between 12 and 21.​
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1. Find 2 arithmetic means between 12 and 21.​

User Gopal Roy
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I believe it would be 16.5, since you add 12+21=33 then divide it by however many numbers you have (this case it’s 2) and divide it by 2, which equals 16.5
User Gilbish Kosma
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