Source: 2017 Canadian Open Math Challenge, Problem A1 The average of the numbers $2$, $5$, $x$, $14$, $15$ is $x$. Determine the value of $x$ .
Source:
Tags: Comc, 2017 COMC
Source: 2017 Canadian Open Math Challenge, Problem A1 The average of the numbers $2$, $5$, $x$, $14$, $15$ is $x$. Determine the value of $x$ .