document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1015783>Question 1015783</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A school has 1025 students. A totl of 400 students can not swim. This consists of 1/5 of the boys and 4/7 f the girls. If x boys can swim, write an equation for x and solve it. How many boys are the ere in the school? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #632174 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=632174\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A school has 1025 students. A total of 400 students can not swim.<BR>\n" );
document.write( " This consists of 1/5 of the boys and 4/7 of the girls.<BR>\n" );
document.write( " If x boys can swim, write an equation for x and solve it.<BR>\n" );
document.write( " How many boys are the there in the school?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "I will be easier if we find out how many boys & girls are in the school<BR>\n" );
document.write( " let b = no. of boys in the school<BR>\n" );
document.write( " let g = no. of girls<BR>\n" );
document.write( ":<BR>\n" );
document.write( "b + g = 1025<BR>\n" );
document.write( "the number of girls & boys who can't swim are given as 400<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5 ALIGN=MIDDLE  ALT=\"1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >b + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F7 ALIGN=MIDDLE  ALT=\"4%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >g = 400<BR>\n" );
document.write( "Get rid of the denominators, multiply by 35<BR>\n" );
document.write( "7b + 20g = 14000<BR>\n" );
document.write( "multiply the 1st equation by 7, subtract from the above equation<BR>\n" );
document.write( "7b + 20g = 14000<BR>\n" );
document.write( "7b +  7g = 7125<BR>\n" );
document.write( "------------------subtraction eliminates b, find g<BR>\n" );
document.write( "0 + 13g = 6825<BR>\n" );
document.write( "g = 6825/13<BR>\n" );
document.write( "g = 525 girls in the school<BR>\n" );
document.write( "then<BR>\n" );
document.write( "1025 - 525 = 500 boys in the school<BR>\n" );
document.write( "\"If x boys can swim, write an equation for x and solve it.\"<BR>\n" );
document.write( "x = 500(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F5 ALIGN=MIDDLE  ALT=\"5%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5 ALIGN=MIDDLE  ALT=\"1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "x = 500(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F5 ALIGN=MIDDLE  ALT=\"4%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "x = 400 boys can swim </SPAN>\n" );
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