document.write( "Question 330804: The digits of a three-digit number add up to 18. If the ten’s digit is twice the hundred’s digit and the hundred’s digit is 1/3 the unit’s digit, what is the number? ?
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Algebra.Com's Answer #237147 by mananth(16946)\"\" \"About 
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x+y+z=18
\n" ); document.write( "y=2x
\n" ); document.write( "x=z/3
\n" ); document.write( "..
\n" ); document.write( "Plug the value of y & z in the first equation
\n" ); document.write( "x+2x+3x=18
\n" ); document.write( "6x=18
\n" ); document.write( "x=3
\n" ); document.write( "..
\n" ); document.write( "y=2x
\n" ); document.write( "y=6
\n" ); document.write( "..
\n" ); document.write( "z=3x
\n" ); document.write( "z=3*3=9\r
\n" ); document.write( "\n" ); document.write( "The number is 369
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