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OpenStudy (anonymous):
225 students is to 9 classes as 125 students is to __________ classes.
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OpenStudy (mathstudent55):
This is a proportion problem. \( \dfrac{225}{9} = \dfrac{125}{x} \) Solve for x by cross multiplying.
OpenStudy (anonymous):
125 x 9
OpenStudy (anonymous):
its 5
OpenStudy (mathstudent55):
Correct.
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