document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=318828>Question 318828</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 4 apples and 2 oranges equals $1 and 2 apples and 3 oranges equals $0.70, how much does each apple cost?\r<BR>\n" );
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document.write( "The previous answer confused me. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #228233 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=228233\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let A be the cost of an apple, R the cost of an orange.<BR>\n" );
document.write( "\"4 apples and 2 oranges equals $1 (100 cents)\"<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4A%2B2R=100 ALIGN=MIDDLE  ALT=\"4A%2B2R=100\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "\"2 apples and 3 oranges equals $0.70 (70 cents)\"<BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2A%2B3R=70 ALIGN=MIDDLE  ALT=\"2A%2B3R=70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply eq.2 by (-2) and add to eq. 1 to eliminate A,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4A-6R%2B4A%2B2R=-140%2B100 ALIGN=MIDDLE  ALT=\"-4A-6R%2B4A%2B2R=-140%2B100\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4R=-40 ALIGN=MIDDLE  ALT=\"-4R=-40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=10 ALIGN=MIDDLE  ALT=\"R=10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then use either equation to solve for A. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4A%2B2R=100 ALIGN=MIDDLE  ALT=\"4A%2B2R=100\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4A%2B2%2810%29=100 ALIGN=MIDDLE  ALT=\"4A%2B2%2810%29=100\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4A%2B20=100 ALIGN=MIDDLE  ALT=\"4A%2B20=100\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4A=80 ALIGN=MIDDLE  ALT=\"4A=80\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=20 ALIGN=MIDDLE  ALT=\"A=20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
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document.write( "Apples cost 20 cents ($0.20) and oranges cost 10 cents ($0.10). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );