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The girls' average score is 30. The boys' average score is 24. If there are twice as many boys as girls, what is the overall average?
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what are the options
its not multiple choice
lets call the number of girls "g" then there are "2g" boys agreed so far?
this is because it says "If there are twice as many boys as girls"
yes
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ok, so if there are "g" girls and these girls have an average score of 30, then what would their total score be?
i have this so far
|dw:1434819390316:dw|
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