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There are 81 students that make up 90 percent of the class How many students in all?

Anonymous

∙ 15y ago

Updated: 4/28/2022

This problem can be solved using proportions.

81 90
___ = ____

x 100

Cross-multiplication gives us

(81)(100) = 90x

8100 = 90x
____ ___

90 90

90 = x

The class consists of 90 students.

Wiki User

∙ 15y ago

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There are 81 students that make up 90 percent of the class How many students in all?

What else can I help you with?

40 percent of 25 student are boys how many boys are in the class?

In a class 22 percent out of 80 got a F in class how many students got a F in the class?

How many students wear glasses in a class of 20 students where 40 percent are boys and 25 percent of the boys and 50 percent of the girls wear glasses?

How many students are 25 percent in a class of 14?

72 students is 80 percent of how many students?

50 students are in a class 20 percent of them werent there how many students went to class?

In math class 60 percent of the students are males and there are 30 students in the class how many students are males?

The 12 boys in Mr Stiller's class make up 40 percent of the class How many students are in Mr Stiller's class?

In a class 10 students are receiving honors credit This number is exactly 20 percent of the total number of students in the class How many students are in the class?

On a math test 12 students earned an a this number is exactly 25 percent of the total number of students in the class how many students are in the class?

How many females are in a class of sixty students if the females make up seventy percent of the class?

If 6 students in a class failed algebra representing 16 two thirds percent of the class how many students passed the course?

If there are twenty eight students in your class and twenty five percent of them are jumping about how many students are jumping?

40 percent of 25 student are boys how many boys are in the class?

In a class 22 percent out of 80 got a F in class how many students got a F in the class?

How many students wear glasses in a class of 20 students where 40 percent are boys and 25 percent of the boys and 50 percent of the girls wear glasses?

There are 30 students in Mrs Star's class 40 percent of the students are females How many females are in Mrs Star's class?

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