Math, asked by harindranpillai62, 4 months ago

the mean of 20number is 9 if 3 is added to every number what will be the new mean

Answers

Answered by PRASENJITGAMER

3

Answer:

sum of the numbers with the help of the condition given i.e. the mean of 20 numbers is 9 and denote the sum with a single variable and add

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