document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005943>Question 1005943</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At aunt mae's mart, ken bought 2 apples and 5 plums for $3.20. Kendra bought 4 apples and 9 plums for $6.00. Find the cost of (a) an apple an (b) a plum. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #622086 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=622086\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call their costs, a and p. Then we have<BR>\n" );
document.write( "2a + 5p = 320  (work in cents)<BR>\n" );
document.write( "4a + 9p = 600<BR>\n" );
document.write( "Let's double the first one and subtract it from the first...we get<BR>\n" );
document.write( "4a + 9p = 600<BR>\n" );
document.write( "-(4a + 10p = 640)<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "-p = -40<BR>\n" );
document.write( "p = 40 cents per plum<BR>\n" );
document.write( "Substituting that into the first equation gives us<BR>\n" );
document.write( "2a + 5(40) = 320<BR>\n" );
document.write( "2a + 200 = 320<BR>\n" );
document.write( "2a = 120<BR>\n" );
document.write( "a = 60 cents per apple </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );