document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1060704>Question 1060704</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Billy went to the store and bought 5 pants and 3 shirts for $145. He went again the <BR>\n" );
document.write( "next day and bought 2 pants and 5 shirts for $135. What is the cost of a pants and a <BR>\n" );
document.write( "shirt? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #675569 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=675569\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5p+3s = 145 multiply all times 5<BR>\n" );
document.write( "2p+5s = 135 multiply all times -3<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "New equations (after multiplication. Add them together:<BR>\n" );
document.write( "25p+15s = 725<BR>\n" );
document.write( "+<BR>\n" );
document.write( "-6p-15s = -405<BR>\n" );
document.write( "19p-0s = 320<BR>\n" );
document.write( "rewrite:<BR>\n" );
document.write( "19p = 320 divide both sides by 19<BR>\n" );
document.write( "p = 16.84 is the price of one pair of pants.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Now for the shirts:<BR>\n" );
document.write( "5p+3s = 145 multiply all times 2<BR>\n" );
document.write( "2p+5s = 135 multiply all times -5<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "New equations (after multiplication. Add them together:<BR>\n" );
document.write( "10p+6s = 290<BR>\n" );
document.write( "+<BR>\n" );
document.write( "-10p-25s = -675<BR>\n" );
document.write( "0p-19s = -385<BR>\n" );
document.write( "rewrite<BR>\n" );
document.write( "-19s = -385 divide both sides by -19, and remember -/- = +<BR>\n" );
document.write( "s = 20.26<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Or you can take a shortcut for the shirts:<BR>\n" );
document.write( "145-(16.84*5))/3 = 20.26<BR>\n" );
document.write( "-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-<BR>\n" );
document.write( "Check - Put these numbers in the original equations (I'll do one, you can do the other if you want):<BR>\n" );
document.write( "5p+3s = 145 <BR>\n" );
document.write( "5(16.84)+3(20.26) = 145<BR>\n" );
document.write( "84.20+60.78 = 144.98 = 145 there is a difference of 0.02 due to the rounding of decimals.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "John\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );