document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1181455>Question 1181455</A>: <I><SPAN STYLE=\"word-break: break-all;\"> From 1950 to 1990, the population of Country W increased by 40%. From 1990 to 2012, the population of Country W increased by 10%. What is the percent increase in the population of Country W from 1950 to 2012? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #811359 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=811359\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Calculate the percent increase or decrease in a measurement equivalent to two or more successive increases or decreases by viewing each increase or decrease as a multiplication by some factor instead of an addition or subtraction.<br><BR>\n" );
document.write( "An increase of 40% (from 100% to 140%) means multiplication by a factor of 1.40 = 1.4; an increase of 10% means multiplication by a factor of 1.10 = 1.1.<br><BR>\n" );
document.write( "Then an increase of 40% followed by an increase of 10% means multiplication by successive factors of 1.4 and 1.1.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%29%281.4%29%281.1%29+=+1.54x ALIGN=MIDDLE  ALT=\"%28x%29%281.4%29%281.1%29+=+1.54x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: The percent increase from 1950 to 2012 is 54%.<br><BR>\n" );
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