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30 March, 09:43

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:

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Answers (1)
  1. 30 March, 10:30
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    Step-by-step explanation:

    Total books = 368.

    Sociology books = 92.

    Psychology books = 3 times sociology books

    = 3 x 92 = 276

    Total = 276 + 92 = 368
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