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a ratio of science books to art books is 2:5. 20 % of the books were unsold and 2240 were sold. total amount of each book?
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Feb 9, 2019
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a ratio of science books to art books is 2:5. 20 % of the books were unsold and 2240 were sold. total amount of each book?
Mathematics
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Lachezar Raychev
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science = 512
art = 1,280
Know Nothing
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Feb 15, 2019
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Know Nothing
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