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28 August, 23:50

After 4 new students joined a class, the class had 32 students. Which equation can be used to find n, the number in the class before the 4 new students joined?

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  1. 29 August, 00:16
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    n+4=32

    Step-by-step explanation:

    The initial number n gets additional 4 students making the new total number of students to be 32. Therefore, this situation can be represented as

    n+4=32

    To get the actual number of students before the additio, we make n the subject of formula hence

    n=32-4

    n=28

    Therefore, the initial number was 28 and the equation is n+4=32

    Since no choices were provided, the equation that can be modified is n+4=32
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