Seven of the 10 children at art camp make an average of 8 paintings. The remaining children make an average of 12 paintings.
2 answers:
The answer is 20 because 7/10 campers make an average of 8 paintings but 3/10 campers make an average of 12 paintings. Now if you add both averages together you get 20.
The 7 out of ten adds up to 56 the last 3 add up to 36 which equals 92 divided by ten is 9.2 average
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