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

  1. the sum of the \(9\) numbers,
  2. the value of \(t\).

Video Solution:

Video Solution

Video solution locked

A free account saves your progress; this video needs tuition enrolment.

Solution:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.

Create a free account to practise similar questions.

Answer:(i) \(468\) (ii) \(t=68\)

Need help? Join our IP Math tuition programme.

Learn more