SOLUTION: If I scored an average of 88% on 3 tests which count for 75% of my overall grade and I scored 95% on all my labs which count 25% towards my overall grade, assuming I have 1 more te

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Question 367936: If I scored an average of 88% on 3 tests which count for 75% of my overall grade and I scored 95% on all my labs which count 25% towards my overall grade, assuming I have 1 more test and no more labs, what do I need to score on that final test to have an overall score of 91%
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
[(88 + 88 + 88 + x)/4](.75) + [(95)(.25)] = 91