Question

Select the three ratios that are equivalent to 3 boys/5 girls.

8 boys/10 girls
15 boys/25 girls
9 boys/15 girls
30 boys/50 girls

99 points!!

Answer 1

30 females /50 males

Answer 2

`(3\ boys)/(5\ girls)\to(3)/(5)\\\\(8)/(10)=(8:2)/(10:2)=(4)/(5)\\\\(15)/(25)=(15:5)/(20:5)=(3)/(5)\\\\(9)/(15)=(9:3)/(15:3)=(3)/(5)\\\\(30)/(50)=(30:10)/(50:10)=(3)/(5)\\\\Answer:\\\\\boxed{(3\ boys)/(5\ girls)=(15\ boys)/(25\ girls)=(9\ boys)/(15\ girls)=(30\ boys)/(50\ girls)}`