The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition. How many boys participated?
A)
28
B)
30
C)
35
Eliminate
D)
49

Question

The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition. How many boys participated?
A)
28	
B)
30	
C)
35	
Eliminate
D)
49

anonymous · Answer

@Pico33

anonymous · Answer

well what do you think the answer is?

anonymous · Answer

yo guys i need your help

anonymous · Answer

XDUMB please go post in your own question!!!!! and i think its d

anonymous · Answer

Remove that xdumb go post in your own question

anonymous · Answer

i did but no one ishelping me out

anonymous · Answer

you have a ratio of 

girls:boys
  7n : 5n

when 7n=42,  what does 5n equal?

anonymous · Answer

28 @Pico33

anonymous · Answer

7/5 = 42/b  using cross multiplication

anonymous · Answer

so what would that be