SOLUTION: I had an 80 in my class. I took a test worth 15% and my grade dropped to a 73. What did I get for a grade on my test?

Question 941638: I had an 80 in my class. I took a test worth 15% and my grade dropped to a 73. What did I get for a grade on my test?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
(1 - 0.15)*80 + 0.15x = 73
0.15x = 73 - (1 - 0.15)*80
x = ( 73 - (1 - 0.15)*80 ) / 0.15
x = 33.333333333
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