document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1208784>Question 1208784</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Adam, Ben and Calvin had a total of 540 marbles. Adam gave 1/4 of his marbles to Ben. Then, Ben gave 1/3 of his total number of marbles to Calvin. In the end, all the boys had the same number of marbles.<BR>\n" );
document.write( "(a) How many marbles did each boy have in the end? <BR>\n" );
document.write( "(b) How many marbles did Ben have at first? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #847237 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=847237\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "         Adam            Ben               Calvin\r\n" );
document.write( "0.        a               b                 c\r\n" );
document.write( "\r\n" );
document.write( "1.        3a/4           b+a/4              c\r\n" );
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document.write( "2.        3a/4           (2/3)(b+a/4)       c+(1/3)(b+a/4)\r\n" );
document.write( "</PRE>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28a%2Bb%2Bc=540%2C3a%2F4=%282%2F3%29%28b%2Ba%2F4%29%2C%282%2F3%29%28b%2Ba%2F4%29=c%2B%281%2F3%29%28b%2Ba%2F4%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The last equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F3%29%28b%2Ba%2F4%29=c ALIGN=MIDDLE  ALT=\"%281%2F3%29%28b%2Ba%2F4%29=c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "substitute into first equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2Bb%2B%281%2F3%29%28b%2Ba%2F4%29=540 ALIGN=MIDDLE  ALT=\"a%2Bb%2B%281%2F3%29%28b%2Ba%2F4%29=540\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3a%2B3b%2Bb%2Ba%2F4=3%2A540 ALIGN=MIDDLE  ALT=\"3a%2B3b%2Bb%2Ba%2F4=3%2A540\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12a%2B12b%2B4b%2Ba=12%2A540 ALIGN=MIDDLE  ALT=\"12a%2B12b%2B4b%2Ba=12%2A540\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13a%2B16b=6480 ALIGN=MIDDLE  ALT=\"13a%2B16b=6480\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "Revising system of equations:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2813a%2B16b=6480%2C3a%2F4=%282%2F3%29%28b%2Ba%2F4%29%29 ALIGN=MIDDLE  ALT=\"system%2813a%2B16b=6480%2C3a%2F4=%282%2F3%29%28b%2Ba%2F4%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2813a%2B16b=6480%2C7a=8b%29 ALIGN=MIDDLE  ALT=\"system%2813a%2B16b=6480%2C7a=8b%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2813a%2B16b=6480%2C14a-16b=0%29 ALIGN=MIDDLE  ALT=\"system%2813a%2B16b=6480%2C14a-16b=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28a=240%29 ALIGN=MIDDLE  ALT=\"highlight%28a=240%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and you can find the other values. </SPAN>\n" );
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