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There are 81 students that make up 90 percent of the class How many students in all?
Updated: 4/28/2022
Wiki User
∙ 14y agoBest Answer
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.
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∙ 14y agoThis answer is:
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