Mathematics
Mathematics, 25.07.2019 20:30, Angela1998

Atextbook store sold a combined total of 309 sociology and history textbooks in a week. the number of sociology textbooks sold was two times the number of history textbooks sold. how many textbooks of each type were sold?

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Atextbook store sold a combined total of 309 sociology and history textbooks in a week. the number o...

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