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Mathematics 17 Online
OpenStudy (anonymous):

Help me please.

OpenStudy (anonymous):

\[\frac {9}{11}, \frac {81}{88} \frac {15}{24}, \frac {45}{48} \frac {21}{49}, \frac {3}{7} \frac {36}{64}, \frac {8}{9}\]

OpenStudy (anonymous):

Which pair of ratios forms a proportion?

OpenStudy (anonymous):

answer would be: 21/49 : 3/7 .|dw:1340036703780:dw|

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