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There are x students in Ms. Smith's class and 3/4 of them like pizza.  If 21 of the students like pizza, which equation can be used to find the number of students in the class?

 

 Apr 16, 2020
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We make a proportion. 3/4=21/x. We get 3/4x=21. Just so you know the amount of people in Ms. Smith's class is 28

 Apr 16, 2020

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