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OpenStudy (anonymous):
30 students in the first period algebra I class, 18 are girls. If this class is representative of all classes, how many students in a school of 500 are girl?
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OpenStudy (saifoo.khan):
30 : 18 x : 500 cross multiply.
OpenStudy (saifoo.khan):
50,000
OpenStudy (anonymous):
haha
OpenStudy (anonymous):
ANSWER THE QUESTION
OpenStudy (anonymous):
wow, did you even try what saifoo khan said?
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OpenStudy (anonymous):
300 is your answer divide 18 by thirty, multiply by 500 to get three hundred.
OpenStudy (anonymous):
THANKS
OpenStudy (saifoo.khan):
rofl, it 300
OpenStudy (anonymous):
30 : 18 500 : x cross multiply it 9000=30x x=300
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