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!
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!