document.write( "Question 808523: Greg is 18 years older than his sister. In 6 years he will be twice as old as her. How are are both of them now \n" ); document.write( "
Algebra.Com's Answer #487051 by TimothyLamb(4379)\"\" \"About 
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g = s + 18
\n" ); document.write( "g + 6 = 2(s + 6)
\n" ); document.write( "---
\n" ); document.write( "g + 6 = 2s + 12
\n" ); document.write( "g = 2s + 6
\n" ); document.write( "s + 18 = 2s + 6
\n" ); document.write( "Answer:
\n" ); document.write( "s = 12
\n" ); document.write( "g = 30
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