Mathematics Examination Results of Class 62 of Sanlian Primary School in Liang 'an Township, Hezhou, Guangxi - Training Enrollment Network

Mathematics Examination Results of Class 62 of Sanlian Primary School in Liang 'an Township, Hezhou, Guangxi

Let the number be x.

(8+ 10+5+3)/(8+ 10+5+3+X+ 1)= 1-2/ 15

26/27+X = 13/ 15 = 26/30

27+X=30

X=3。

Answer: There are three students in this class with a score of 50-59.

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