SOLUTION: there are 50 students in a class,2/5 of them are boys & 25% of the boys are black.If there are 15 black students in the class ,then how many girls are in white?

Question 1083759: there are 50 students in a class,2/5 of them are boys & 25% of the boys are black.If there are 15 black students in the class ,then how many girls are in white?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
there are 50 students in a class, 2/5 of them are boys
* 50 = 20 boys
:
& 25% of the boys are black.
.25 * 20 = 5 boys are black
:
If there are 15 black students in the class,
50 - 15 = 35 white students
:
then how many girls are in white?
Find the number of white boys
20 - 5 = 15 white boys
then
35 - 15 = 20 girls are white
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