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OpenStudy (oayala):
help don't understand this at all , Determine which ratio forms a proportion with 18/21 by writing the ratios in simplest form. 12/70 66/70 12/14 60/77
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OpenStudy (rachel.frank40):
You can reduce 18/21, by 3, to 6/7. Now you just have to determine which of the choices reduces to 6/7.
OpenStudy (oayala):
so it would be 12/14
OpenStudy (rachel.frank40):
Yeah, because they both reduce to 6/7! Good!
OpenStudy (oayala):
thank you so much
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