Math, asked by tajinderkaur4632, 11 months ago

The average score of 20 boys is 60% and the average score of 30 girls is 70% find the combined average

Answers

Answered by pranavpandey68

3

Answer:

if the average score of 20 boys is 60%then suppose marks are 100 then 60%of hundered is 60 and 30 girls is 70%so 70%of 100 is 70 combine 60+70=130

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