Mathematics

Mathematics, 05.10.2019 05:00, emmmmmmaaaa

Dr. drange has a collection of 90 books. of the books, 2/9 are math books, 1/6 are science books, and the rest are romance novels. how many romance novels does he have?

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Dr. drange has a collection of 90 books. of the books, 2/9 are math books, 1/6 are science books, an...

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