anonymous
  • anonymous
Please Help Me Understand This
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
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 is the lowest whole percentage Daniel can make on his final exam for him to end up with a 90 in the class?
anonymous
  • anonymous
Think of the "weight" as points, out of 100. And the percentage he gets in a certain weight is the percentage times the weight to get the points. So usually it would be 50+15+15+10=100, but since he didn't get 100% of all the points in each seperate weight, those numbers will be decreased. For example quizzes goes from 15 points to (15*.95)=14.25. So what you want to do is add up all the points he currently has and then we'll moev onto the next step.
anonymous
  • anonymous
Oooh, ok I misread sorry, the final test is seperate from the other tests.

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anonymous
  • anonymous
Sorry I'm back now.
anonymous
  • anonymous
So it would be 10+50+15+15+10=100.
anonymous
  • anonymous
So...I'm sorry I'm a lil slow in math.
anonymous
  • anonymous
Would you like me to go over it again?
anonymous
  • anonymous
Oh wait sorry here are the answer choices. A. 91 B. 91 C. 93 D.94
anonymous
  • anonymous
A and B are the same one tho
anonymous
  • anonymous
92 *

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