document.write( "Question 880408: if a:(b+c) =1:3 and c:(a+b) = 5:7, THEN [not than] b:(c+a) =? \n" ); document.write( "

Algebra.Com's Answer #531429 by richwmiller(17219) $\"\"$ $\"About$

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a/(b+c) =1/3 ,
\n" ); document.write( "c/(a+b) = 5/7,
\n" ); document.write( "b/(c+a) =1/2 \n" ); document.write( "

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