document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1176305>Question 1176305</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a school,1200 of the students are boys,if 50% of the boys and 40% of the girls have paid their school fees. Find the number of girls,given that 46% of the population have paid their school fees. </SPAN>\n" );
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document.write( "The two solutions you have received so far both use 1200 as the total number of students.  The problem says the 1200 is the number of boys....<br><BR>\n" );
document.write( "Let x be the number of girls; then the total number of students is 1200+x.<br><BR>\n" );
document.write( "50% of the boys plus 40% of the girls is equal to 46% of the total number of students:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.50%281200%29%2B.40%28x%29+=+.46%281200%2Bx%29 ALIGN=MIDDLE  ALT=\".50%281200%29%2B.40%28x%29+=+.46%281200%2Bx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=600%2B.40x+=+552%2B.46x ALIGN=MIDDLE  ALT=\"600%2B.40x+=+552%2B.46x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48+=+.06x ALIGN=MIDDLE  ALT=\"48+=+.06x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+48%2F.06+=+800 ALIGN=MIDDLE  ALT=\"x+=+48%2F.06+=+800\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: there are 800 girls in the school.<br><BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( ".50(1200)+.40(800) = 600+320 = 920<BR>\n" );
document.write( ".46(1200+800) = .46(2000) = 920<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );