Question 924746: I have 7 quizzes each quiz is worth 100 points the average that I need is a 75 what is the lowest grade I can make on each quiz to get an average of 75 points ?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! x = sum of scores for 7 quizzes
x/7 = 75
x = 75*7
x = 525
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525/100 = 5.25
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answer:
there are many ways to average 75 over 7 quizzes, these are two ways:
1) get 100 on 5 quizzes, 25 on one quiz, and zero on another quiz.
2) get 75 on all 7 quizzes.
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