if A:B=7:5 and B:C=9:14, find A:C
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ac*=ab*+bc*
=7/5*+9/14
49/25+81/196
=9604+2125/4900
=30629/4900
= 6.2508103265
it is your answer
=7/5*+9/14
49/25+81/196
=9604+2125/4900
=30629/4900
= 6.2508103265
it is your answer
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