document.write( "Question 270420: I am a three digit odd number my tens digit is one less than my hundreds digit but two more than one digit. The sum of my digits is 20. Who am I.
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Algebra.Com's Answer #198123 by ankor@dixie-net.com(22740)\"\" \"About 
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I am a three digit odd number
\n" ); document.write( "100x + 10y + z
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\n" ); document.write( " my tens digit is one less than my hundreds digit
\n" ); document.write( "y = x-1
\n" ); document.write( "or
\n" ); document.write( "x = y+1
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\n" ); document.write( " but two more than one digit.
\n" ); document.write( "y = z+2
\n" ); document.write( "or
\n" ); document.write( "z = y-2
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\n" ); document.write( "The sum of my digits is 20.
\n" ); document.write( "x + y + z = 20
\n" ); document.write( "Replace x and z, find y
\n" ); document.write( "(y+1) + y + (y-2) = 20
\n" ); document.write( "3y - 1 = 20
\n" ); document.write( "3y = 20 + 1
\n" ); document.write( "3y = 21
\n" ); document.write( "y = 7
\n" ); document.write( "then
\n" ); document.write( "x = 8
\n" ); document.write( "z = 5
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\n" ); document.write( "The number: 875\r
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