document.write( "Question 562919: Stephanie's age is three years more than twice Bill's age. Stephanie is nine years older than Bill. How old is Stephanie? How old is Bill? \n" ); document.write( "
Algebra.Com's Answer #364727 by Maths68(1474)\"\" \"About 
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Stephanie's age is three years more than twice Bill's age. Stephanie is nine years older than Bill. How old is Stephanie? How old is Bill?\r
\n" ); document.write( "\n" ); document.write( "Let
\n" ); document.write( "Present age of Stephanie = s
\n" ); document.write( "Present age of Bill = b\r
\n" ); document.write( "\n" ); document.write( "Given
\n" ); document.write( "Stephanie's age is three years more than twice Bill's age
\n" ); document.write( "s=3+2b...........(1)
\n" ); document.write( "Stephanie is nine years older than Bill
\n" ); document.write( "s=9+b............(2)
\n" ); document.write( "Plug in the value of s in (2)
\n" ); document.write( "3+2b=9+b
\n" ); document.write( "2b-b=9-3
\n" ); document.write( "b=6
\n" ); document.write( "Put the value of b in (2)
\n" ); document.write( "s=9+b............(2)
\n" ); document.write( "s=9+6
\n" ); document.write( "s=15\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Present age of Stephanie = s = 15 years old
\n" ); document.write( "Present age of Bill = b = 6 years old
\n" ); document.write( " \n" ); document.write( "
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