A student has passed 60 percent of the 20 quizzes he has written so far successfully. If the student writes 50 quizzes during th e year and passes 80 percent of the remaining quizzes successfully, what is the percent of all successful quizzes for the entire year? PLS HELP QUICK
1 answer:
We can first find the total number of quizzes and the number he got them right:
Total number: 20+80=100
Total correct answer:
20×60%+50×80%
=52
We can then find the percentage:
Therefore the answer is 52%.
Hope it helps!
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