The GPA of the girls is 3.12
In this question, we have been given a class has 12 boys and 18 girls.
The class as a whole has a GPA (grade point average) of 2.88, and the boys have a GPA of 2.52
We need to find the GPA of girls.
Let m be the GPA of girls.
The weighted average GPA would be,
(12(2.52) + 18m)/ (12+18) = 2.88
We solve above equation to find the value of m
30.24 + 18m = 30 * 2.88
18m = 86.4 - 30.24
18m = 56.16
m = 3.12
Therefore, the GPA of the girls in the class is 3.12
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