Mathematics, 19.05.2020 16:19 yourgirlmaya

There are 24 boys and 16 girls in a hall, each holding coins in their hand.
The mean number of coins for the children is 18
The mean number of coins for the boys is 12
Work out the mean number of coins for the girls.

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There are 24 boys and 16 girls in a hall, each holding coins in their hand.
The mean number of...