SOLUTION: The ratio of the number of boys and girls in a school is 3:2 Out of these 10% the boys and 25% of girls are scholarship holders. % of students who are not scholarship holders.?
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Question 252809: The ratio of the number of boys and girls in a school is 3:2 Out of these 10% the boys and 25% of girls are scholarship holders. % of students who are not scholarship holders.?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
3+2=5
3/5 are boys and 2/5 are girls
1-1/10=9/10
1-1/4=3/4
3/5*9/10+3/4*2/5=
27/50+6/20=
54/100+30/100=
21/25=.84=84%
which is reasonable since between 10 and 25% received scholarships so between 75 and 90% didn't
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