Please help me to solve number F I need clear and step wise answer please help me
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Answer:
sorry I don't know this answer hope you understand
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Answer:
Total age of both boys and girls = 14(20+10)
= 14(30)
= 420
Total age of boys = 16(20)
= 320
Total age of girls = 420 - 320
= 100
Total girls = 10
Average of girls = 100/10
= 10
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