SOLUTION: I have a 86 average and took a semester test that is worth 20% of my grade what do I have to make on it to have a 90 or above average?

Question 696181: I have a 86 average and took a semester test that is worth 20% of my grade what do I have to make on it to have a 90 or above average?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
I have a 86 average and took a semester test that is worth 20% of my grade
what do I have to make on it to have a 90 or above average?
:
That means 4/5 of your grade is 86, find the 1/5
let x = test grade
=> 90
Mult by 5
344 + x => 450
x => 450 - 344
x => 106, so guess it is not possible
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