SOLUTION: If you have an 85 average and you are taking a test worth 20 percent of your grade, what is the lowest grade you can make on the test to keep your grade over an 82?

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Question 820072: If you have an 85 average and you are taking a test worth 20 percent of your grade, what is the lowest grade you can make on the test to keep your grade over an 82?
Found 2 solutions by richwmiller, ewatrrr:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.8*85+.2x>82
x>70
You need to get more than 70 to get an average of more than 82.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

If you have an 85 average and you are taking a test worth 20 percent of your grade, 

what is the lowest gradegreen%28x%29 you can make on the test to keep your grade over an 82?

 .80%2A85+%2B+.20x+%3E+82+

    +x+=+%2882-68%29%2F.20%3E+14%2F.02=+70

 highlight%2871%29 is the lowest grade you can make on the test to keep your grade over an 82