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22 December, 22:22

store sold combined totalof 412 biology and math books in a week. the number of biology textbooks sold was three times the number of math books sold. how many textbooks of each type were sold?

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  1. 23 December, 02:02
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    Step-by-step explanation:

    Total books sold = 412

    So if there are 103 maths books then biology books should be three times = 103 * 3 = 309

    So when we add 103 + 309 = 412

    It means the number of biology books is 309 and maths book is 103
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