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Mathematics 19 Online
OpenStudy (anonymous):

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OpenStudy (anx):

Just find the decimal approximations for each fraction. Like for A) 4/9=.4444 16/45=.3555 Thus eliminatiing choice A. Do that until you find two that match.

OpenStudy (anonymous):

|dw:1420680807106:dw| Just multiple A*D and C*B, if you get same result, that two are proportional

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