SOLUTION: A class grade is based on two parts,70% of a total grade at is 95%, 30% of the total grade is x, what does x need to be to maintain an overall grade of 90% for the class?
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Question 372178: A class grade is based on two parts,70% of a total grade at is 95%, 30% of the total grade is x, what does x need to be to maintain an overall grade of 90% for the class?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
(0.95)\ +\ 0.30x\ =\ 0.90)
Solve for 
.
John
My calculator said it, I believe it, that settles it
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