document.write( "Question 269392: I am a number between 500 and 600. my ones digit is 5. my tens digit is the difference between my ones and hundreds digit. Who am I? \n" ); document.write( "
Algebra.Com's Answer #197443 by JBarnum(2146)\"\" \"About 
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I am a number between 500 and 600. 500\n" ); document.write( " my ones digit is 5.(xy5)
\n" ); document.write( " my tens digit is the difference between my ones and hundreds digit.
\n" ); document.write( "ones digit=z tens digit=y hundreds digit=x
\n" ); document.write( "y=z-x x=5 and z=5
\n" ); document.write( "y=5-5
\n" ); document.write( "y=0
\n" ); document.write( "so the number xyz is 505
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