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Some fifth graders took a survey asking students whether they felt a lot of stress, a little stress, or no stress. The survey showed that 1/5 felt a lot of stress. 1/2 felt a little stress, and 3/10 felt no stress. There were 12 students that felt no stress. How many students took the survey?

 Apr 22, 2021
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well First let's have all the fractions have the same denominator 

Lots of stress - 2/10
little stress - 5/10
no stress - 3/10 

meaning 3/10 = 12 students so that means 1/10 = 4students and then that means 10/10 = 40 students took the survey

 Apr 22, 2021

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