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2020 AMC 10A Problems/Problem 2

Revision as of 21:40, 31 January 2020 by Jj2014 (talk | contribs) (Created page with "The numbers <math>3, 5, 7, a,</math> and <math>b</math> have an average (arithmetic mean) of <math>15</math>. What is the average of <math>a</math> and <math>b</math>?")
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The numbers $3, 5, 7, a,$ and $b$ have an average (arithmetic mean) of $15$. What is the average of $a$ and $b$?

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