document.write( "Question 1118636: Point M is on segment AN, Point N is one segment BM, AB=18 inches and AM:MN:NB=1:2:3. Find MN. \n" ); document.write( "
Algebra.Com's Answer #734024 by ankor@dixie-net.com(22740)\"\" \"About 
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Point M is on segment AN,
\n" ); document.write( " Point N is one segment BM,
\n" ); document.write( "AB=18 inches and
\n" ); document.write( "AM:MN:NB=1:2:3. Find MN.
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\n" ); document.write( "A - - M - - - - - N - - - - - - - - B
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\n" ); document.write( "Let x = the multiplier
\n" ); document.write( "then
\n" ); document.write( "x = AM
\n" ); document.write( "2x = MN
\n" ); document.write( "3x = NB
\n" ); document.write( "therefore
\n" ); document.write( "x + 2x + 3x = 18
\n" ); document.write( "6x = 18
\n" ); document.write( "x = 18/6
\n" ); document.write( "x = 3 is the multiplier
\n" ); document.write( "Find MN.
\n" ); document.write( "MN = 2(3)
\n" ); document.write( "MN = 6 inches
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