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OpenStudy (anonymous):
Which of the following shows a proportion? Answer eight over eighteen equals twelve over twenty-seven six over four equals eight over twelve twelve over twenty equals ten over eighteen three over eight equals ten over fifteen
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OpenStudy (mertsj):
\[\frac{8}{18}=\frac{12}{27}\]
OpenStudy (mertsj):
Multiply the cross products. If they are equal, it is a proportion.
OpenStudy (mertsj):
Does 8 times 27 = 18 times 12?
OpenStudy (mertsj):
216=216 !!! Yes. It is a proportion
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