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In a fifth grade class 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of them have long hair. Of the girl with brown hair, 1/3 of them have green eyes. What fr…
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In a fifth grade class 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of them have long hair. Of the girl with brown hair, 1/3 of them have green eyes. What fr…
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Jul 12, 2017
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In a fifth grade class 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of them have long hair. Of the girl with brown hair, 1/3 of them have green eyes. What fraction of the girls in the class have long brown hair?
Mathematics
middle-school
Ryan Mann
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lets say there are 100 girls.
4/5 of 100 is 80, so 80 girls have brown hair.
3/4 of the 80 who have brown hair have long hair.
3/4 of 80 is 60.
so we know that out of 100, 60 have long brown hair.
in simplest fraction form, 60/100= 3/5
GHC
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Jul 16, 2017
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