document.write( "Question 211276: the sum of a number an three times that number is 720 what are the 2 numbers \n" ); document.write( "
Algebra.Com's Answer #159704 by checkley77(12844)\"\" \"About 
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x+3x=720
\n" ); document.write( "4x=720
\n" ); document.write( "x=720/4
\n" ); document.write( "x=180 ans. for the smaller number.
\n" ); document.write( "3*180=540 ans. for the larger number.
\n" ); document.write( "Proof:
\n" ); document.write( "180+540=720
\n" ); document.write( "720=720
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