document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=157947>Question 157947</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An office supply store in San Diego sells 7 writing tablets and 4 pens for     $ 6.40. Also, 2 tablets and 19 pens cost # 5.40. Find the price of each.\r<BR>\n" );
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document.write( "From a take home test </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #116401 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=116401\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7T+4P=6.40<BR>\n" );
document.write( "2T+19P=5.40<BR>\n" );
document.write( "MULTIPLY THE FIRST EQUATION BY 2 & MULTIPLY THE SECOND EQUATION BY -7 & THEN ADD THEM.<BR>\n" );
document.write( "14T+8P=12.80<BR>\n" );
document.write( "-14T-133P=-37.80<BR>\n" );
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document.write( "-125P=-25.00<BR>\n" );
document.write( "P=-25.00/-125<BR>\n" );
document.write( "P=$.20 IS THE PRICE FOR EACH PEN.<BR>\n" );
document.write( "7T+4*.20=6.40<BR>\n" );
document.write( "7T+.80=6.40<BR>\n" );
document.write( "7T=6.40-.80<BR>\n" );
document.write( "7T=5.60<BR>\n" );
document.write( "T=5.60/7<BR>\n" );
document.write( "T=$.80 FOR EACH TABLET.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "2*.80 +19*.20=5.40<BR>\n" );
document.write( "1.60+3.80=5.40<BR>\n" );
document.write( "5.40=5.40<BR>\n" );
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