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Mathematics 19 Online
OpenStudy (anonymous):

Select all the pairs of ratios that form a proportion 1/6,4/20 7/9,28/36 14/18, 21/27 30/80 , 6/18

OpenStudy (goformit100):

14/18, 21/27 30/80 , 6/18

OpenStudy (anonymous):

@goformit100 is right

OpenStudy (goformit100):

Thanks @oneinmillon

OpenStudy (anonymous):

welcome

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