document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213145>Question 213145</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1405802111/algebrahomeworkh>longman mathematics for IGCSE book1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> There are 500 pupils in a school. in the next year, the numbers increase by 10% and in the following year they increase by 20%. find the number of pupils  at the end of two years. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161040 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=161040\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 500 pupils in a school. in the next year, the numbers increase by 10% and in the following year they increase by 20%. find the number of pupils  at the end of two years.\r<BR>\n" );
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document.write( "Step 1.  Increase by 10% means 0.10*500=50 where 10 percent is 0.10 or 10%=0.10.\r<BR>\n" );
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document.write( "Step 2.  So at end of the first year there are 500+50=550 students.  Note:  Since you know there will be an increase you can use the following\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500%281%2B0.1%29=550 ALIGN=MIDDLE  ALT=\"500%281%2B0.1%29=550\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 3.  In year 2, it increase by 20%.  So, there is an increase of 550*0.20=  110 students.  Note:  Since you know there will be an increase you can use the following\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=550%281%2B0.2%29=660 ALIGN=MIDDLE  ALT=\"550%281%2B0.2%29=660\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Step 4.  So at the end of the second year there are 550+110= 660 students.  Note:  You can also calculate by combining steps 2 and 3.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500%281%2B0.1%29%281%2B0.2%29=660 ALIGN=MIDDLE  ALT=\"500%281%2B0.1%29%281%2B0.2%29=660\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "where \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500%281%2B0.1%29%281%2B0.2%29=550%281%2B.2%29=660 ALIGN=MIDDLE  ALT=\"500%281%2B0.1%29%281%2B0.2%29=550%281%2B.2%29=660\"   DISABLED_style= \"max-width:90%; height:auto;\" >\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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