In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 16% of your total grade, each major test is worth 21%, and the final exam is worth 42%. Compute the weighted average for the following scores: 65 on the lab, 70 on the first major test, 61 on the second major test, and 76 on the final exam. (Enter your answer to one decimal place.)

Answer 1

Grade weight weighted-grade
65 16% 10.4
70 21% 14.7
61 21% 12.8
76 42% 31.9

The weighted score is the sum of the weighted grade (third column).

Answer 2

wrong wrong wrong

Answer 3

70 12%14.7