SOLUTION: There are 3 boys for every 2 girls in a class of 25. How many girls are there?
Algebra.Com
Question 443104: There are 3 boys for every 2 girls in a class of 25. How many girls are there?
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
Set up a proportion:
In a sample of 3:2, you have 5 kids in all.
So the the ratio of girls to kids in a sample of 5 is 2:5.
So set up a proportion:
Then there are 10 girls in a class of 25.
Hope this helps!
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