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Mathematics 10 Online
OpenStudy (anonymous):

There are 35 children in a class. The ratio of boys to girls in the class is 2 to 3. If there Are 12 girls in the class, how many boys are there?

OpenStudy (curiousquestions):

3*what=12?

OpenStudy (lifeisadangerousgame):

So this is a proportion problem. Try this: \[\frac{ 2 }{ 3 } = \frac{ x }{ 12 }\] Cross multiply and solve for x C:

OpenStudy (lifeisadangerousgame):

Please don't just give the answer, she needs to know how to do the problem herself.

OpenStudy (anonymous):

my bad

OpenStudy (lifeisadangerousgame):

How're you doing with the problem Allison?

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