arnold2619
arnold2619
25.08.2019 • 
Mathematics

Ten students sit a test consisting of 20 questions. two students get 8 questions correct and one student gets 9 questions correct. the remaining seven students all get at least 10 questions correct and the average number of questions answered correctly by these seven students is an integer. if the average number of questions answered correctly by all ten students is also an integer, then what is that integer?

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