Question

Daniel wants to have a 90 average in his math class at the end of the year. He is trying to determine what he needs to get on his final exam, which accounts for 10% of his grade, for this to work. Tests are weighted 50% of the grade, and he currently has a 85 for his test average; quizzes are weighted 15% of his grade, and he currently has a 95 quiz average; homework is weighted 15% of his grade and he currently has a 98 homework average; and projects are weighted 10% of his grade and he currently has a 92 project average. What does he need to get on his final exam to get a 90% in the class

Answer 1

:)

Answer 2

50- Test
15-quiz
15-hw
10-project
10-final test

Answer 3

so the marks are spread out like this

Answer 4

now he had a percentange of these marks in each section

Answer 5

50- Test - 85% of this
15-quiz - 95%
15-hw-98%
10-project-92%
10-final test - need to find the percent needed

lets see how many total marks he has right now of the 90 marks if we disregard the 10 from final

Answer 6

85/100 * 50 + 95/100 * 15 + 98/100 * 15 + 92/100 * 10 = ??

Answer 7

80.65

Answer 8

i have gotten to that part but then after i get stuck ?