2001 AMC 10 Problems/Problem 16

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Problem

The mean of three numbers is $10$ more thatn the least of the numbers and $15$ less than the greatest. The median of the three numbers is $5.$ What is their sum?

Solution

Please navigate here for the solution: http://www.artofproblemsolving.com/Wiki/index.php/2001_AMC_12_Problems/Problem_4