document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=91050>Question 91050</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I got this wrong,  can someone help walk me through how these are done. I hate word problems. Missed 6 of them.\r<BR>\n" );
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document.write( "Combined population of City A and City b was 25,000 in 1990.  By 1995, the population of city a increased 10% and city b increased 9%. Total population increased by 2380 people, so what was the population 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 #66189 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=66189\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Combined population of City A and City b was 25,000 in 1990. By 1995, the population of city a increased 10% and city b increased 9%. Total population increased by 2380 people, so what was the population in 1990?<BR>\n" );
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document.write( "Let x = population of City A<BR>\n" );
document.write( "Then<BR>\n" );
document.write( "(25000-x) = population of City B<BR>\n" );
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document.write( "A simple equation:<BR>\n" );
document.write( ".10x + .09(25000-x) = 2380<BR>\n" );
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document.write( ".1x + 2250 - .09x = 2380<BR>\n" );
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document.write( ".1x - .09x = 2380 - 2250<BR>\n" );
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document.write( ".01x = 130<BR>\n" );
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document.write( "x = 130/.01<BR>\n" );
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document.write( "x = 13000 is the population of city A in 1990<BR>\n" );
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document.write( "25000 - 13000 = 12000 is the population of city B in 1990<BR>\n" );
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document.write( "Check solutions:<BR>\n" );
document.write( ".1(13000) + .09(12000) = <BR>\n" );
document.write( "1300 + 1080 = 2380 as given </SPAN>\n" );
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