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26 June, 17:50

There are 25 students in a class at the beginning of the school year and the average number of siblings for each student is three. A new student with eight siblings joins the class in November does the average number of siblings that each student has go up?

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  1. 26 June, 18:04
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    Answer: Yes. The new average is 3

    Step-by-step explanation:

    25 students at 3 siblings each = 75 siblings

    26 students has 75 siblings + 8 siblings = 83 siblings

    New average is 83 siblings : 26 students = 3.19 siblings per students
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