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Mathematics, 09.11.2021 21:40 Brucechavez3334

the mean height of 20 boys and 14 girls is 161 cm. if the mean height of the 14 girls is 151 cm. find the mean height of 20 boys

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the mean height of 20 boys and 14 girls is 161 cm. if the mean height of the 14 girls is 151 cm. fin...
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