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There are 21 boys and 14 girls in a hall, each holding coins in their hand. The mean number of coins for the children is 17 The mean number of coins for the boys is 11 Work out the mean number of coins
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Jul 23, 2021
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There are 21 boys and 14 girls in a hall, each holding coins in their hand.
The mean number of coins for the children is 17
The mean number of coins for the boys is 11
Work out the mean number of coins for the girls.
Mathematics
high-school
Brian Young
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Brian Young
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i thinks soz
i am probably wrong OOPS
Dedoki
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Jul 27, 2021
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Dedoki
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