Mathematics, 05.05.2020 15:45 mariahmimibrooks

There are 12 boys and 8 girls in a hall, each holding coins in their hand. The mean number of coins for the children is 15
The mean number of coins for the boys is 13Work out the mean number of coins for the girls.

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There are 12 boys and 8 girls in a hall, each holding coins in their hand. The mean number of coins...

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