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Mathematics, 26.06.2019 15:30 geometryishard13

Atextbook store sold a combined total of 405 math and chemistry textbooks in a week. the number of math textbooks sold was two times the number of chemistry textbooks sold. how many textbooks of each type were sold?

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Atextbook store sold a combined total of 405 math and chemistry textbooks in a week. the number of m...
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