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There are 120 student in class in which 20 of them are girls and rest boys.if the average marks in math of boys is 65% and that...Asked by math
There are 120 student in class in which 20 of them are girls and rest boys.if the average marks in math of boys is 65% and that of girls is 80%. find the average marks of the class
Answers
Answered by
bobpursley
avg marks= (.2* .80 + .8* .65) = 68 percent
Answered by
Reiny
I think it would be:
avg = (20(80) + 100(65))/120 = 67.5
avg = (20(80) + 100(65))/120 = 67.5
Answered by
Ritika
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