# math

posted by .

there are 80 students in math club. For every 5 girls, there are 3 boys. How many girls & boys in club.

• math -

Let x equal the number of girls.

Cross multiply and solve for x.

5/8 = x/80
8x = 400
x = 50

• math -

5+3=8
50+30=80
If for every 5 girls there are 3 boys, then for 50 girls there are 30 boys and 50+30=80 students in math club.

## Similar Questions

1. ### algebra2

in the chess club, the ratio of boys to girls is 6:5.there are three more boys than girls in the club. how many members are in the club?

There are 8 more girls than boys in the Math Club. The club has 44 memebers. How many boys and how many girls are in the club?
3. ### math

ok this is in my practice book. there are 33 students in the chess club. there are five more boys than girls in the club. write and solve a system of equations to find the number of boys and girls in the chess club?
4. ### math

There are 15 students in Marcelo chess club. There are 2 times as many boys as girls . Howm many girls are in the club?
5. ### math

one out of every 4 students in a club is a girl.There are 20 students in the club.How many girls are in the club.How many boys are in the club?
6. ### math

There were 20% more boys than girls in a swimming club. After 50 girls left, there were twice as many boys as girls in the club. How many boys were there in the club?
7. ### math

There were 20% more boys than girls in a swimming club. After 50 girls left, there were twice as many boys as girls in the club. How many boys were there in the club?
8. ### Math

Sustem of equations. I have to solve the system of equations by graphing and solving. Ther are thirty-three students in the Chess Club. There are five more boys than girls in the club. Write and solve a system of equations to find …
9. ### math

the ratio of boys to girls in a club is 7:4, there are 21 fewer girls than boys , what is the total number of children in the club?
10. ### math

This table shows the numbers of students in different classes that are in the math club. Students in math club Boys / Girls Mrs.Smith 3 / 4 Ms.Jones 4 / 6 Mr.Brown 3 / 4 a. What fraction of the students in the math club are boys from …

More Similar Questions