document.write( "Question 1046975: Sipho is 6 years older than Betty. In 3 years time
\n" ); document.write( "Sipho will be twice as old as Betty. How old is Sipho
\n" ); document.write( "now?
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #662438 by ikleyn(52784)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "Sipho is 6 years older than Betty. In 3 years time
\n" ); document.write( "Sipho will be twice as old as Betty. How old is Sipho
\n" ); document.write( "now?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\r\n" );
document.write( "S = B + 6,         (1)\r\n" );
document.write( "S + 3 = 2*(B+3).   (2)\r\n" );
document.write( "\r\n" );
document.write( "Substitute (1) into (2). You will get\r\n" );
document.write( "\r\n" );
document.write( "(B + 6) + 3 = 2*(B+3),  or\r\n" );
document.write( "\r\n" );
document.write( "B + 9 = 2B + 6,   or\r\n" );
document.write( "\r\n" );
document.write( "9-6 = 2b - b,  or\r\n" );
document.write( "\r\n" );
document.write( "3 = B.\r\n" );
document.write( "\r\n" );
document.write( "Answer. Betty is 3 years old now.  Sipho is 9 ears old.\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "There is a bunch of lessons on age word problems \r
\n" ); document.write( "\n" ); document.write( "    - Age problems and their solutions\r
\n" ); document.write( "\n" ); document.write( "    - A fresh formulation of a traditional age problem\r
\n" ); document.write( "\n" ); document.write( "    - Really intricate age word problem\r
\n" ); document.write( "\n" ); document.write( "    - Selected age word problems from the archive\r
\n" ); document.write( "\n" ); document.write( "    - Age problem for the day of April, 1 \r
\n" ); document.write( "\n" ); document.write( "    - OVERVIEW of lessons on age problems\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Read them and become an expert in solving age problems.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "It contains a lot of other word problems and many other interesting and useful things.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );