document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1082439>Question 1082439</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A box contains steel balls. There are 28 balls,some weighing 3/4 kg and the others 7/8 kg each. The weight of all the balls is 22 1/2 kg. How many balls of each size are in the box? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #696490 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=696490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let A be the number of 3/4 kg balls, B the 7/8 kg balls.<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BB=28 ALIGN=MIDDLE  ALT=\"A%2BB=28\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2F4%29A%2B%287%2F8%29B=22%261%2F2 ALIGN=MIDDLE  ALT=\"%283%2F4%29A%2B%287%2F8%29B=22%261%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by 8.<BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6A%2B7B=180 ALIGN=MIDDLE  ALT=\"6A%2B7B=180\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply eq. 1 by 6 and subtract from eq. 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6A%2B7B-6A-6B=180-28%2A6 ALIGN=MIDDLE  ALT=\"6A%2B7B-6A-6B=180-28%2A6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=12 ALIGN=MIDDLE  ALT=\"B=12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now use either equation to solve for A.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
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