Mathematics, 26.06.2019 05:30, rayonnalawrence1000

Astudent has successfully passed 60 percent of the 20 quizzes he has taken so far. if the student takes 50 quizzes during the year and successfully passes 80 percent of the remaining quizzes, what is the percent of all the quizzes for the entire year that are passed successfully?

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Astudent has successfully passed 60 percent of the 20 quizzes he has taken so far. if the student ta...