Question

I need help with 7th Grade Math I Medal and Fan the first correct answer!!! Please Help.

Answer 1

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?

Answer 2

Sort everything out. You want to find the number of boys, so let x = boys

\[\frac{ Girls }{ Boys} = \frac{ 7 }{ 5 } = \frac{ 42 }{ x}\]

Answer 3

x= 30?

Answer 4

how you have got it ?

Answer 5

cross multiplie and divide both sides by 7 - yes ?

Answer 6

7x=5*42

x=5*6

x=30

Answer 7

^ Exactly as he said