document.write( "Question 1001871: The sum of two numbers is one hundred twenty. Their difference is forty. What are the numbers?
\n" ); document.write( "40 and 80
\n" ); document.write( "35 and 85
\n" ); document.write( "50 and 70
\n" ); document.write( "30 and 90 \n" ); document.write( "
Algebra.Com's Answer #618925 by lwsshak3(11628)\"\" \"About 
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The sum of two numbers is one hundred twenty. Their difference is forty. What are the numbers
\n" ); document.write( "let x= one of the numbers
\n" ); document.write( "y=other number
\n" ); document.write( "x+y=120
\n" ); document.write( "x-y=40
\n" ); document.write( "y=x-40
\n" ); document.write( "y=x-40x-40=40
\n" ); document.write( "add
\n" ); document.write( "2x=160
\n" ); document.write( "x=80
\n" ); document.write( "one of the numbers=80
\n" ); document.write( "other number=40 \n" ); document.write( "
\n" );