document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=230291>Question 230291</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 2006 the number of Americans who were members of a health club was 42.7 million.  This was an increase of 106% from the number of clubs in 1990.  How many Americans were health club members in 1990? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #170515 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=170515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In 2006 the number of Americans who were members of a health club was 42.7 million.  This was an increase of 106% from the number of clubs in 1990.  How many Americans were health club members in 1990?\r<BR>\n" );
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document.write( "Step 1.  106% means 1.06 in decimal form.\r<BR>\n" );
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document.write( "Step 2.  Let x be the number of Americans who were health club numbers in 1990\r<BR>\n" );
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document.write( "Step 3.  Let 1.06x be the amount of increase from 1990.\r<BR>\n" );
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document.write( "Step 4.  Then x+1.06x=42.7 million be the current amount of 42.7.\r<BR>\n" );
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document.write( "Step 5.  Solving  x+1.06x=42.7 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=2.06x=42.7 ALIGN=MIDDLE  ALT=\"2.06x=42.7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Divide by 2.06 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=2.06x%2F2.06=42.7%2F2.06 ALIGN=MIDDLE  ALT=\"2.06x%2F2.06=42.7%2F2.06\"   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=20.73 ALIGN=MIDDLE  ALT=\"x=20.73\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 6.  ANSWER:  The number of club members in 1990 is 20.73 million.\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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