document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=819984>Question 819984</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mrs. Neil bought $155 in groceries. She paid her bill in$5 and$20 notes using a total of 13 notes. Calculate how many $20 notes were used.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #493313 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=493313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5f + 20t = 155<BR>\n" );
document.write( "f + t = 13<BR>\n" );
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document.write( "solve the above system of linear equations for f and t:<BR>\n" );
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document.write( "answer:<BR>\n" );
document.write( "f = 7<BR>\n" );
document.write( "t = 6<BR>\n" );
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document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
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document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
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document.write( "Calculate and graph the linear regression of any data set:<BR>\n" );
document.write( "https://sooeet.com/math/linear-regression.php </SPAN>\n" );
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