Mathematics, 12.07.2019 17:30 tessafargo

Atextbook store sold a combined total of 423 math and psychology textbooks in a week. the number of math textbooks sold was 45 more than the number of psychology textbooks sold. how many textbooks of each type were sold?

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Atextbook store sold a combined total of 423 math and psychology textbooks in a week. the number of...