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Mathematics 8 Online
OpenStudy (anonymous):

according to the scores on the last math test, 80%, or 20, of the students in the class received an A. Find the number of students in the entire class

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

If 80% of the class is 20 people, then there are 20/0.8 people in the class. Type this into your calculator and you have your answer.

OpenStudy (anonymous):

So is it 25? @tom982

OpenStudy (anonymous):

It is indeed.

OpenStudy (anonymous):

@tom982 can you answer another question?

OpenStudy (anonymous):

What other question?

OpenStudy (anonymous):

this one : what percent of 21 is 7?

OpenStudy (anonymous):

tell me how to answer it. Im confused on how to answer the question

OpenStudy (anonymous):

(7/21)*100 = 33.3333%

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