Mathematics, 16.06.2021 14:00 murtaghliam1

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 16 The mean number of coins for the boys is 14
Work out the mean number of coins for the girls.

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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...