A total of 25 teacher aides are to be apportioned among seven classes at a new elementary school. The enrollment in each of the seven classes is shown in the following table. Class Kindergarten First grade Second grade Third grade Fourth grade Fifth grade Sixth grade Total Number of students 38 39 35 27 21 31 33 224 (a) Determine the standard divisor. 8.96 What is the meaning of the standard divisor in the context of this exercise? There is one aide for every 8 X students.

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