Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
24 : 56
$$24:56=\frac{24}{56}=\frac{3}{7}$$
$$9:21=\frac{9}{21}=\frac{3}{7}$$
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hhh
3Â years, 11Â months ago
solution please