document.write( "Question 1067833: Ìf a brother is 15 and their síter ís twice their age how old would their sister be \n" ); document.write( "
Algebra.Com's Answer #683003 by ikleyn(52814)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "30 years.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );