Posted by **john** on Thursday, January 10, 2013 at 9:26am.

300 hundred kids attend a dance. The ratio of boys to girls is 6 to 4. If 30 boys and 20 girls leave, what is the new ratio of boys to girls still at the dance

- math -
**Steve**, Thursday, January 10, 2013 at 10:50am
There are 6x boys and 4x girls.

add them up: 10x = 300, so x=30.

There are 180 boys and 120 girls.

(180-30):(120-20) = 150:100 = 3:2

- math -
**Michael**, Saturday, February 9, 2013 at 2:33pm
A school has 140 boys and girls. The ratio of boys to girls is 2 to 5. How many students are boys and how many students are girls?

## Answer this Question

## Related Questions

- math - the current ratio of boys to girls at a certain school is 2 to 5 . if 12 ...
- Math - If the ratio of girls to boys on the swim team is 2:3, which of these ...
- Math - If the ratio of girls to boys on the track team is 5 to 6 which of these ...
- math - The ratio of boys to girls in a school choir is 4:3. There are 6 more ...
- math !!!! :O - The ratio of boys to girls in a school choir is 4:3. There are 6...
- math - The ratio of boys to girls in a school choir is 4:3. There are 6 more ...
- Math - An all girl college began enrolling boys in 2005. By 2012 the ratio of ...
- Math - There is a ratio of number of boys to girls 3:5. After adding 5 boys and ...
- Math - There is a ratio of number of boys to girls 3:5. After adding 5 boys and ...
- Maths - The ratio of girls to boys in a class is 3:4. If 3 new girls join and ...

More Related Questions