document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=222623>Question 222623</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Caridad is 6 years older than her sister. Four years ago she was 4 times as old as her sister. How old is Caridad now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166670 by </B><A HREF=/tutors/aboutme.mpl?userid=drj><B>drj(1380)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drj><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=drj><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=166670\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Caridad is 6 years older than her sister. Four years ago she was 4 times as old as her sister. How old is Caridad now?\r<BR>\n" );
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document.write( "Step 1.  Let x be age of Caridad's sister\r<BR>\n" );
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document.write( "Step 2.  Let x+6 be the age of Caridad.\r<BR>\n" );
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document.write( "Step 3.  Let x+6-4=x+2 be the age of Caridad four years ago.\r<BR>\n" );
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document.write( "Step 4.  Let x-4 be the age if Caridad's sister four years ago.\r<BR>\n" );
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document.write( "Step 5.  Then x+2=4(x-4) since four years ago Caridad was 4 times as old as her sister\r<BR>\n" );
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document.write( "Step 6.  Solving the equation in Step 5 yields the following steps\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-2=4x-16 ALIGN=MIDDLE  ALT=\"x-2=4x-16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add 16-x to both sides of the equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B2%2B16-x=4x-16%2B16-x ALIGN=MIDDLE  ALT=\"x%2B2%2B16-x=4x-16%2B16-x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18=3x ALIGN=MIDDLE  ALT=\"18=3x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Divide by 3 to both sides of the equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18%2F3=3x%2F3 ALIGN=MIDDLE  ALT=\"18%2F3=3x%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=6 ALIGN=MIDDLE  ALT=\"x=6\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B6=12 ALIGN=MIDDLE  ALT=\"x%2B6=12\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Now four years ago 12-4=4*(6-4) which is a true statement.\r<BR>\n" );
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document.write( "Step 7. ANSWER: Caridad is 12 years old.\r<BR>\n" );
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document.write( "I hope the above steps were helpful.\r<BR>\n" );
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document.write( "For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.\r<BR>\n" );
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document.write( "Good luck in your studies!\r<BR>\n" );
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document.write( "Respectfully,<BR>\n" );
document.write( "Dr J\r<BR>\n" );
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document.write( " </SPAN>\n" );
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