Posted by **Javier** on Tuesday, November 6, 2012 at 8:48am.

There were 40 members in a hockey club. 3/8 of them were girls. When more girls joined the club, the percentage of the number of girls increased to 75%. How many more girls had joined the club?

Some teachers attended a workshop. They were divided into Group X and Y. The ratio of the number of teachers in Group X to the number of teachers in Group Y was 2:3. All the teachers in Group X were women. The ratio of the number of women in Group Y to the number of men in Group Y was 2:7. What fraction of the teachers who attended the workshop were men?

- Maths -
**Steve**, Tuesday, November 6, 2012 at 11:15am
3/8 of 40 = 15 girls

(15+x)/(40+x) = 3/4, so x = 60

check: 75/100 = 3/4

---------------------------------------

men fraction = (7/9 y)/(x+y)

but, x/y = 2/3, so x=2y/3

so, men fraction = (7y/9)/(2y/3 + y) = (7y/9)/(5y/3) = 7/15

## Answer this Question

## Related Questions

- math - This table shows the numbers of students in different classes that are in...
- math - The drama club has 41 members. There are 9 more girls than boys. How many...
- algebra2 - in the chess club, the ratio of boys to girls is 6:5.there are three ...
- math - There were 20% more boys than girls in a swimming club. After 50 girls ...
- math - There were 20% more boys than girls in a swimming club. After 50 girls ...
- math - ok this is in my practice book. there are 33 students in the chess club. ...
- Math - The ratio of boys to girls in the checkers club at one school is 2:3. the...
- math - 25 % of a class of 40 students are girls. When some new girls joined the ...
- Math - The ratio od boys to girls in the checkers club at Anastasia's school is ...
- Math (5th grade) - There are 8 more girls than boys in the Math Club. The club ...

More Related Questions