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How many are in the class?

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1 Answer

3/5 of the class are girls with brown hair.
 
Assuming that's what you're asking.  The question is a little unclear.

Comments

Sorry, I forgot to show work.
 
Basically if 3/4 of the class are girls, and 4/5 of those girls have brown hair, the way to find the number of the class that are girls with brown hair is to multiply girls by girls with brown hair.
 
3/4 x 4/5 = 12/20 = 3/5
You should have a number for one of the category, to find out total number.
But Kacie didn't write a number anywhere.  Just that 3/4 of the class is female and that 4/5 of those girls have brown hair.
 
so with the info given, 3/5 of the class are girls with brown hair.
 
If they want a number, then yes, we need more information.