Math, asked by googleuser687, 1 year ago

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Answered by bhoomiarora2071

1

mean of 30 girls =73
ATQ x/30=73
X=73*30=2190
Mean of boys =71
ATQ y/20=71
Y =1420
X+y /50
2190+1420/50
3610/50 =72.5
Please mark it as brainliest

bhoomiarora2071: Thnx

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