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Mathematics 13 Online
OpenStudy (anonymous):

Solve for x. 12:15 = x:5 PLEASE HELP

Directrix (directrix):

Read this --> 12:15 = x:5 as 12 is to 15 as x is to 5. That translates to: 12/15 = x/5 Cross multiply and solve for x. You may want to simplify the fraction 12/15 before you cross multiply. @jessiie.ella

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