Average is sum of number divided by number of numbers. Sum of numbers is product of average and number of numbers.
via Math for all Grade blog http://www.math-for-all-grades.com/Averages.html
Average is sum of number divided by number of numbers. Sum of numbers is product of average and number of numbers.
via Math for all Grade blog http://www.math-for-all-grades.com/Averages.html
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