SOLUTION: In a school, the ratio of boys to girls is 3 : 5. After 20 more boys attended the school, the ratio is now 1 : 1. How many girls are in the school?
Algebra.Com
Question 260216: In a school, the ratio of boys to girls is 3 : 5. After 20 more boys attended the school, the ratio is now 1 : 1. How many girls are in the school?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
3/5=b/g
b+20=g
b=30 g=50
RELATED QUESTIONS
The ratio of boys to girls in a school is 3 : 4 .
There are 120 more girls than boys.... (answered by stanbon)
The ratio of boys to girls in a school is 3:5. If there are 50 girls, how many boys are... (answered by LinnW)
There are 600 pupils in a school. The ratio of boys to girls in this school is 3:5. How... (answered by Fombitz,MathTherapy)
there is a group of boys and girls waiting for the school buses.
the ratio of boys to... (answered by ewatrrr)
a school has 300 students if the ratio of boys to girls is 31 to 44 how many more girls... (answered by ankor@dixie-net.com)
There are 18 girls in a school Choir. The ratio of girls to boys is 1 to 2. How many boys (answered by ikleyn)
The ratio of the number of boys to girls in a school is 4:5. If there are 120 boys, then (answered by ikleyn)
The ratio of boys to girls in a school is 5:4. If there are 500 girls, how many boys are... (answered by Maths68)
There are 900 students in a school, the ratio of girls to boys is 5:4 how many boys and... (answered by Alan3354)