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a textbook store sold a combined total 217 of history and chemistry textbooks in...
Mathematics, 24.11.2019 01:31 ManBun99
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a textbook store sold a combined total 217 of history and chemistry textbooks in a week. the number of chemistry textbooks sold was 57 less than the number of history textbooks sold. how many textbooks of each type were sold?
Answers: 3
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