Current location - Training Enrollment Network - Mathematics courses - The total average score of mathematics in the first semester of No.3 Middle School is calculated as follows. The math scores in this school this semester are as follows: Chen
The total average score of mathematics in the first semester of No.3 Middle School is calculated as follows. The math scores in this school this semester are as follows: Chen
87.5

Solution: 90× 20%+85× 30%+88× 50% =18+25.5+44 = 87.5.

∴ Hu Jun's average score in mathematics this semester is 87.5.

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