Mean of Nine Numbers with Unknown Values
Mean of Nine Numbers with Unknown Values
Secondary 2
The mean of nine numbers is \(52\). Six of the numbers are \(23\), \(60\), \(65\), \(45\), \(37\) and \(34\).
The remaining three numbers are each equal to \(t\). Find
- the sum of the \(9\) numbers,
- the value of \(t\).
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Answer:(i) \(468\) (ii) \(t=68\)
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