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Mathematics 19 Online
OpenStudy (anonymous):

Which pair of ratios forms a proportion? Answer 11 over 36, 121 over 180 13 over 21, 39 over 63 20 over 51, 4 over 5 14 over 23, 70 over 92

OpenStudy (anonymous):

medals for everyone

OpenStudy (anonymous):

The second one

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