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4 January, 03:51

A textbook store sold a combined total of 312 history and psychology textbooks in a week. The number of psychology textbooks sold was 84 less than the number of history textbooks sold. How many textbooks of each type were sold?

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  1. 4 January, 04:00
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    Answer: History textbooks sold: 198

    Psychology: 114

    Step-by-step explanation: 312 - 84 = 228

    228 divided by 2 = 114

    Add 84 to 114 to represent the history textbooks since they have more.
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