document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1115223>Question 1115223</A>: <I><SPAN STYLE=\"word-break: break-all;\"> rupees 22 was divided among 100 childrens so that each boy got 25 paise and each girl 15 paise. find the number of girls<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #730121 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=730121\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> By what method do you have to solve this? the substitution method is easier here:<BR>\n" );
document.write( "boys x; girls y<BR>\n" );
document.write( "x + y = 100 so x = 100-y<BR>\n" );
document.write( "25x + 15y = 2200 substitute for x<BR>\n" );
document.write( "25(100-y)+15y = 2200<BR>\n" );
document.write( "2500-25y+15y = 2200<BR>\n" );
document.write( "-10y = -300 divide both sides by -10, and remember that -/- = + so you can ignore the negative sign and just divide 300/10 to get your answer of how many girls. </SPAN>\n" );
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