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30 January, 17:43

A textbook store sold a combined total of 444 chemistry and biology textbooks in a week. The number of chemistry textbooks sold was three times the number of biology textbooks sold. How many textbooks of each type were sold?

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  1. 30 January, 20:17
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    Answer: 333 chemistry books and 111 biology textbooks

    Step-by-step explanation:

    444=x+y

    x=3y

    4y=444

    y=111

    x=chemistry

    y=biology
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