There are two classes in Grade 5 of Guangming primary school, with 90 students, of which 54 are in class 51. What is the proportion of class 51 to the total number of grade 5? What is the proportion of class 52 to the total number of grade 5?

54/90=8/15
1-8/15=7/15

RELATED INFORMATIONS

1. The number of students in class 52 is five sixths of that in class 51. How many times is the number of students in class 51? There are two classes How many parts of the total number of the two classes
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3. In a unit test, the average score of class 51 is 96. The average score of class 52 is 94. The total average score of the two classes is 95.04?
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