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Mathematics 18 Online
OpenStudy (anonymous):

help

OpenStudy (anonymous):

OpenStudy (jhannybean):

7 or 8?

OpenStudy (anonymous):

both

OpenStudy (jhannybean):

\[\frac{n-10}{n-4}=\frac{4}{10}\] Cross multiply.\[10(n-10)=4(n-4)\]

OpenStudy (jhannybean):

Now what equation do you get once you distribute the 10 an the 4?

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