College class course grades

Question

In a college class, the course grade is based on: attendance, two major tests, and a final project. Attendance is worth 18% of total grade, each major test is worth 23%, and the final project is worth 36%. There are 100 points available for each score. Compute the course grade weighted average for the following earned scores: 86 for attendance, 63 for the first test, 85 for the second test, and 89 for the final project.

(Enter answer to one decimal place.)

Answer 1

.18(86)+.23(63+85)+.36(89)

=15.48+.23(148)+ 32.04

=47.52+34.04=

= 81.56

= about 81.6