SOLUTION: a student has an average of 82.5 in four quizzes. what grade must he obtain in the next quiz in order to have an average of 85%?
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Question 924385: a student has an average of 82.5 in four quizzes. what grade must he obtain in the next quiz in order to have an average of 85%?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
If the student has an average of 82.5 in 4 quizzes
then his actual total marks = 4 x 82.5 = 330.
With an average of 85, which equals 85 x 5 = 425 total marks.
He requires 425 - 330 = 95 marks.
Hope this helps.
:-)
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