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.?
Algebra ->
Percentage-and-ratio-word-problems
-> 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.?
Log On
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