Wednesday

March 4, 2015

March 4, 2015

Posted by **allie** on Tuesday, July 9, 2013 at 1:22pm.

- math -
**Steve**, Tuesday, July 9, 2013 at 2:45pmIf there are

3x senior boys and 5x senior girls

3y junior boys and 2y junior girls

3x+3y = 5x+2y

3x+5x = 80

so, x=10

and y=20

juniors have 60 boys and 40 girls.

seniors have 30 boys and 50 girls

**Answer this Question**

**Related Questions**

Math - Mrs.Smith's class has 12 girls and 8 boys. What percent of he class are ...

Maths - There are 40 pupils in a class. There are 10 more boys than girls. When ...

Math - In a middle school 5th grade class there are 5 girls for every 4 boys. ...

math - There are 27 students in Mrs. Reeds class. The number of boys and number...

math - There are 24 students in Mr.Hills class. The number of boys and number of...

math - 8) A high school graduating class is made up of 445 students. There are ...

math - there were 490 altogether in 2 groups. group A consited of only boys and ...

math/hurry - there are 3 boys for every 4 girls.how many are boys in a class of ...

math - in a class there are 4 boys for every 6 girls. there are 54 pupils. how ...

columbus - there are twice as many boys in classas there are girls.are there ...