Mathematics, 10.06.2020 21:57, dlsmith68

A textbook store sold a combined total of 368 psychology and sociology textbooks in a week. The number of psychology textbooks sold was three times the number of sociology textbooks sold. How many textbooks of each type were sold?
Number of psychology textbooks sold: 1
Number of sociology textbooks sold:

Answers: 2

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A textbook store sold a combined total of 368 psychology and sociology textbooks in a week. The numb...