The set $\{5, 8, 10, 18, 19, 28, 30, x\}$ has eight members. The mean of the set's members is 4.5 less than $x$. What is the value of $x$ ?
Question:
The set $\{5, 8, 10, 18, 19, 28, 30, x\}$ has eight members. The mean of the set's members is 4.5 less than $x$. What is the value of $x$ ?
Answer:
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The set $\{5, 8, 10, 18, 19, 28, 30, x\}$ has eight members. The mean of the set's members is 4.5 less than $x$. What is the value of $x$ ?
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