Mathematics, 25.08.2021 15:30 2023greenlanden
The heights of $12$ boys and $10$ girls in a class are recorded. The average height of all $22$ students in the class is $103\text{ cm}.$ If the average height of the boys is $108\text{ cm},$ what is the the average height of the girls
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The heights of $12$ boys and $10$ girls in a class are recorded. The average height of all $22$ stud...
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