In one class, homework is worth 25% of the final grade, each of 3 projects is worth 20%, and a final exam is worth 15%.(a)If a student has an 83 homework average and a 95 on the first project, what is the student's grade at this point?(b)If a student gets a 78 on the second project and a 76 on the third project, what is the lowest grade the student can get on the final exam to get an 80 overall in the course?Sum(weight k *xk/ Sum(weight k)
In one class, homework is worth 25% of the final grade, each of 3 projects is worth 20%, and a final exam is worth 15%.(a)If a student has an 83 homework average and a 95 on the first project, what is the student's grade at this point?(b)If a student gets a 78 on the second project and a 76 on the third project, what is the lowest grade the student can get on the final exam to get an 80 overall in the course?Sum(weight k *xk/ Sum(weight k)
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 8P
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In one class, homework is worth 25% of the final grade, each of 3 projects is worth 20%, and a final exam is worth 15%.
(a)
If a student has an 83 homework average and a 95 on the first project, what is the student's grade at this point?
(b)
If a student gets a 78 on the second project and a 76 on the third project, what is the lowest grade the student can get on the final exam to get an 80 overall in the course?
Sum(weight k *xk/ Sum(weight k)
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