# In a certain class there are 36 students. There are 1/3as many girls as boys. How many girls and how many boys are there

2
by Docjolbj

2014-11-17T21:40:05+08:00

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12 girls and 24 boys

Pls show algebraic equation on how uou got it. Thanks
2014-11-17T21:53:19+08:00

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Let:
x=boys
y=girls

1/3y=x
x+y=36
1/3y+y=36
1 1/3y=36
y=36/1 1/3
y=27

1/3y=x
1/3(27)=x
x=9

boys are 9 girls are 27