Economy, asked by nandeeshkulagi9, 3 months ago

The mean age of a group of 100 children was 9.35 years. The mean age of 25 of them was 8.75 years. and that of another 65 of them was 10.51 years.What is the mean age of the remaining children.

Answers

Answered by Bijili

1

Answer:

(100*9.35-8.75*25-10.51*65)/10

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