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OpenStudy (anonymous):
Which ratios are proportional to 27\30
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OpenStudy (anonymous):
canceling 3 we get 9/10
OpenStudy (texaschic101):
ratios are nothing but equivalent fractions 27/30 reduces to 9/10....so the ratio 9:10 is proportional or 27/30 * 2/2 = 54/60....the ratio 54:60 is proportional 27/30 * 3/3 = 81/90...the ratio 81:90 is proportional
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