Weighted Means

Question

Suppose your science class grade is weighted according to the following table:

Category and Weight
Exams
50%
Homework
15%
Projects
20%
Quizzes
15%

If you currently have a 91% in Exams, a 98% in Homework, a 90% in Projects, and an 87% in Quizzes, what is your grade? Round to the nearest whole percent.

 

?? %


 
 

Answer 1

50%*91%=45.5

15%*98%=14.7

20%*90%=18

15%*87%=13.05

add the numbers together...

91.05%=91%