pls solve 9th problem
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Sum of marks scored by 10 girls = 15 * 10
=150
Sum of marks scored by 15 boys = 10 * 15
=150
Total marks = 150 + 150
= 300
Average marks of Class = 300 / 25
= 12
=150
Sum of marks scored by 15 boys = 10 * 15
=150
Total marks = 150 + 150
= 300
Average marks of Class = 300 / 25
= 12
Answered by
0
THE ANSWER IS 12.5
THE ANSWER IS 12.5
THE ANSWER IS 12.5
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