document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=101069>Question 101069</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I don't understand<BR>\n" );
document.write( "3 sisters are each 2 years apart in age. The youngest sister is Emily, the middle sister is Samantha and the oldest sister is Lauren. Together their combined ages are 42. How old is each sister? \r<BR>\n" );
document.write( "\n" );
document.write( "a. Define the variable(s). \r<BR>\n" );
document.write( "\n" );
document.write( "b. Write an equation for this situation using one variable. \r<BR>\n" );
document.write( "\n" );
document.write( "c. Solve the equation for the ages of the 3 sisters.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #73559 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=73559\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  <BR>\n" );
document.write( "a. DEFINE THE VARIABLES:<BR>\n" );
document.write( "Let x=Emily's age<BR>\n" );
document.write( "Then x+2=Samantha's age<BR>\n" );
document.write( "And x+4=Lauren's age\r<BR>\n" );
document.write( "\n" );
document.write( "b.  WRITE EQUATION:<BR>\n" );
document.write( "Now we are told that:<BR>\n" );
document.write( "x+x+2+x+4=42 or\r<BR>\n" );
document.write( "\n" );
document.write( "c.  SOLVE THE EQUATION:<BR>\n" );
document.write( "x+x+2+x+4=42 simplify<BR>\n" );
document.write( "3x+6=42  subtract 6 from both sides<BR>\n" );
document.write( "3x+6-6=42-6  collect like terms<BR>\n" );
document.write( "3x=36  divide both sides by 3\r<BR>\n" );
document.write( "\n" );
document.write( "x=12-------------------------------Emily's age<BR>\n" );
document.write( "x+2=12+2=14------------------------------Samantha's age<BR>\n" );
document.write( "x+4=12+4=16--------------------------------Lauren's age\r<BR>\n" );
document.write( "\n" );
document.write( "CK\r<BR>\n" );
document.write( "\n" );
document.write( "12+14+16=42<BR>\n" );
document.write( "42=42\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Hope this helps----ptaylor<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );