document.write( "Question 347355: the length of ac is 3 times the length of cd. if b is the midpoint of ac and the length of cd is 5, what is the length of bd? \n" ); document.write( "
Algebra.Com's Answer #248373 by dnetman99(5)\"\" \"About 
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cd=5
\n" ); document.write( "ac=15
\n" ); document.write( "ab and bc = 7.5
\n" ); document.write( "bd = bc +cd
\n" ); document.write( "bd = 7.5 + 5
\n" ); document.write( "bd= 12.5
\n" ); document.write( "
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