document.write( "Question 478173: I am 3-digit number.My ones digit is half my hundreds.Double my hundreds and you will get my tens. \n" ); document.write( "
Algebra.Com's Answer #327707 by ankor@dixie-net.com(22740)\"\" \"About 
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I am 3-digit number.
\n" ); document.write( "a b c
\n" ); document.write( ":
\n" ); document.write( "\"My ones digit is half my hundreds\"
\n" ); document.write( "c = \"1%2F2\"a
\n" ); document.write( "c = .5a
\n" ); document.write( ":
\n" ); document.write( "\"Double my hundreds and you will get my tens.\"
\n" ); document.write( "b = 2a
\n" ); document.write( ":
\n" ); document.write( "The number:
\n" ); document.write( "a b c
\n" ); document.write( "Substitute
\n" ); document.write( "a, 2a, .5a
\n" ); document.write( "We know:
\n" ); document.write( "a has to be an even number
\n" ); document.write( "a has to be less than 5
\n" ); document.write( "Two solutions
\n" ); document.write( "if a = 2
\n" ); document.write( "b = 2(2)
\n" ); document.write( "b = 4
\n" ); document.write( ":
\n" ); document.write( "c = .5(2)
\n" ); document.write( "c = 1
\n" ); document.write( ":
\n" ); document.write( "The number: 241
\n" ); document.write( ":
\n" ); document.write( "and
\n" ); document.write( "If a = 4
\n" ); document.write( "b = 2(4)
\n" ); document.write( "b = 8
\n" ); document.write( ":
\n" ); document.write( "c = .5(4)
\n" ); document.write( "c = 2
\n" ); document.write( ":
\n" ); document.write( "The number 482\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );