document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=692320>Question 692320</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can I please get help on this question? Lin paid 42 cents for a pencil and two erasers. Kim paid 91 cents for five pencils and three erasers? What were the prices of pencils and erasers? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426974 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=426974\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Can I please get help on this question? Lin paid 42 cents for a pencil and two erasers. Kim paid 91 cents for five pencils and three erasers? What were the prices of pencils and erasers?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let price of each pencil and each eraser be P, and E. respectively\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Then: P + 2E = 42 ----- P = 42 - 2E ----- eq (i)<BR>\n" );
document.write( "Also, 5P + 3E = 91 ------ eq (ii)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "5(42 - 2E) + 3E = 91 ----- Substituting 42 - 2E for P in eq (ii)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "210 - 10E + 3E = 91\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "-10E + 3E = 91 - 210\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "- 7E = - 119\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "E, or price of each eraser = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-+119%29%2F-+7 ALIGN=MIDDLE  ALT=\"%28-+119%29%2F-+7\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2817%29 ALIGN=MIDDLE  ALT=\"highlight_green%2817%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > cents\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "P = 42 - 2(17) ----- Substituting 17 for E in eq (i)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "P = 42 - 34\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "P, or price of each pencil = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%288%29 ALIGN=MIDDLE  ALT=\"highlight_green%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > cents\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "You can do the check!!\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );