document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=192763>Question 192763</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a restaurant bill of $350 was paid using $5 and $50 notes.The totalnumber of notes used was 16.<BR>\n" );
document.write( "a)write two equations in x and y to represent the information given <BR>\n" );
document.write( "b)hence,calculate the number of $5 notes and the number of $50notes </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #144672 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=144672\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  let x and y be the number of 5 and 50 dollar notes respectively<BR>\n" );
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document.write( "a)x+y=16...........eq 1<BR>\n" );
document.write( "  5x+50y=350.......eq 2<BR>\n" );
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document.write( "b)rewrite eq 1 to x=16-y and plug it into eq 2<BR>\n" );
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document.write( "5(16-y)+50y=350<BR>\n" );
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document.write( "80-5y+50y=350<BR>\n" );
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document.write( "45y=270<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=6%29 ALIGN=MIDDLE  ALT=\"highlight%28y=6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > 50 dollar notes<BR>\n" );
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document.write( "x=16-y=16-6=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2810%29 ALIGN=MIDDLE  ALT=\"highlight%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > 5 dollar notes </SPAN>\n" );
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