document.write( "Question 473685: If a/b=6/7 and a/c=2/5,what is the value of 3b+c in terms of a?
\n" ); document.write( "(A)12a
\n" ); document.write( "(B)9a
\n" ); document.write( "(C)8a
\n" ); document.write( "(D)6a
\n" ); document.write( "(E)4a\r
\n" ); document.write( "\n" ); document.write( "Thank you so much!
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Algebra.Com's Answer #324885 by Alan3354(69443)\"\" \"About 
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If a/b=6/7 and a/c=2/5,what is the value of 3b+c in terms of a?
\n" ); document.write( "------------
\n" ); document.write( "a/b=6/7
\n" ); document.write( "7a = 6b
\n" ); document.write( "b = 7a/6
\n" ); document.write( "----------
\n" ); document.write( "a/c=2/5
\n" ); document.write( "5a = 2c
\n" ); document.write( "c = 5a/2
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\n" ); document.write( "3b + c = 3(7a/6) + 5a/2
\n" ); document.write( "= 7a/2 + 5a/2
\n" ); document.write( "= 6a
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