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There are 15 boys and 10 girls in a hall, each holding a coin in there hand. The mean number of coins for the children is 11. The mean number of coins for the boys is 5. Work ou…

There are 15 boys and 10 girls in a hall, each holding a coin in there hand. The mean number of coins for the children is 11. The mean number of coins for the boys is 5. Work ou…
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1 vote
There are 15 boys and 10 girls in a hall, each holding a coin in there hand.

The mean number of coins for the children is 11.
The mean number of coins for the boys is 5.

Work out the mean number of coins for the girls.

asked
User Sean Smyth
by
7.5k points

1 Answer

4 votes

Answer:

3

Explanation:

answered
User Nicolas SEPTIER
by
8.7k points
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