Find the Weighted Mean for Three Exams If the First $$70 \%$$

Short Answer

Find the weighted mean for three exams if the first one was worth 75 points and the student received a
score of $$70 \%$$ , the second was worth 50 points and the student received a score of $80 \%$ and the third was
worth 30 points and the student received a score of $95 \%$ ?