document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522878>Question 522878</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the simple interest on a certain sum for 3 1/2 years at 7% p.a is rs.225 more that the simple interest on the same sum for 4 years at 5% p.a find the sum </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #347129 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=347129\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "let principal be x <BR>\n" );
document.write( "n=4 years <BR>\n" );
document.write( "r= 5% p.a \r<BR>\n" );
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document.write( "SI= x*4*5/100<BR>\n" );
document.write( "SI= x/5\r<BR>\n" );
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document.write( "II deposit\r<BR>\n" );
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document.write( "Principal =x<BR>\n" );
document.write( "r=7<BR>\n" );
document.write( "n= 3 1/2 years = 7/2 years<BR>\n" );
document.write( "Si= (x*7*7)/(2*100)<BR>\n" );
document.write( "SI=49x/200\r<BR>\n" );
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document.write( "II deposit  interest -I deposit interest =225\r<BR>\n" );
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document.write( "49x/200 -x/5 =225<BR>\n" );
document.write( "LCD = 200<BR>\n" );
document.write( "multiply by 200 to eliminate the denominator<BR>\n" );
document.write( "49x-40x=225*200<BR>\n" );
document.write( "9x=225*200<BR>\n" );
document.write( "x=225*200/9<BR>\n" );
document.write( "x= Rs 5,000 the principal\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );