SOLUTION: I have an 80% in science, my final exam is worth 15% of my grade. What do i need to score on my exam to boost my mark 5%?

Question 882241: I have an 80% in science, my final exam is worth 15% of my grade. What do i need to score on my exam to boost my mark 5%?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
I have an 80% in science, my final exam is worth 15% of my grade. What do i need to score on my exam to boost my mark 5%?
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I assume science grade is worth 85% of final grade
let x=final exam score needed to boost mark 5% to 85%
85%80+15%x=85
68+.15x=85
.15x=17
x=113 (not possible to boost mark to 85%, assume maximum score of 100)
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