Grades:Weighted Average In your Biology class your final grade is based on several things:alabscore,scoresontwomajortests,andthescoreonthefinalexam.Thereare100pointsavailableforeachscore....

Grades:Weighted Average In your Biology class your final grade is based on several things:alabscore,scoresontwomajortests,andthescoreonthefinalexam.Thereare100pointsavailableforeachscore. However,thelabscoreisworth25%ofyourtotalgrade,eachmajortestisworth22.5%andthefinalexamisworth30%.Computetheweightedaverageforthefollowingscores:75onthelab,80onthefirstmajortest,92onthesecondmajortest,and79onthefinalexam.