document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=137791>Question 137791</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help on this problem:\r<BR>\n" );
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document.write( "At a grocery store, a customer pays a total of $11.10 for 1.6 pounds of chicken and 2 pounds of fish. Another customer pays a total of $12.15 for 2.4 pounds of chicken  and 1.8 pounds of fish. How much do 2 pounds of chicken and 2 pounds of fish cost. Explain\r<BR>\n" );
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document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100775 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100775\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  a grocery store, a customer pays a total of $11.10 for 1.6 pounds of chicken and 2 pounds of fish. Another customer pays a total of $12.15 for 2.4 pounds of chicken and 1.8 pounds of fish. How much do 2 pounds of chicken and 2 pounds of fish cost. Explain<BR>\n" );
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document.write( "Let x = price per pound for chicken<BR>\n" );
document.write( "Let y = price per pound for fish<BR>\n" );
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document.write( "Write an equation for each statement:<BR>\n" );
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document.write( "\"customer pays a total of $11.10 for 1.6 pounds of chicken and 2 pounds of fish.\"<BR>\n" );
document.write( "1.6x + 2y = 11.10<BR>\n" );
document.write( "2y = 11.10 - 1.6x<BR>\n" );
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document.write( "Divide equation by 2:<BR>\n" );
document.write( "y = (5.55 - .8x); use this for substitution<BR>\n" );
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document.write( "\"customer pays a total of $12.15 for 2.4 pounds of chicken and 1.8 pounds of fish\"<BR>\n" );
document.write( "2.4x + 1.8y = 12.15<BR>\n" );
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document.write( "Substitute (5.55-.8x) for y in the above equation; solve for x:<BR>\n" );
document.write( "2.4x + 1.8(5.55-.8x) = 12.15<BR>\n" );
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document.write( "2.4x + 9.99 - 1.44x = 12.15; multiply whats inside the brackets<BR>\n" );
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document.write( "2.4x - 1.44x = 12.15 - 9.99<BR>\n" );
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document.write( ".96x = 2.16<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.16%2F.96 ALIGN=MIDDLE  ALT=\"2.16%2F.96\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = $2.25 a lb for chicken; 2 lbs = $5.50<BR>\n" );
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document.write( "Find y using the 1st equation:<BR>\n" );
document.write( "1.6(2.25) + 2y = 11.10<BR>\n" );
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document.write( "3.6 + 2y = 11.10<BR>\n" );
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document.write( "2y = 11.10 - 3.6<BR>\n" );
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document.write( "2y = 7.5<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7.5%2F2 ALIGN=MIDDLE  ALT=\"7.5%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y = $3.75 a lb for fish; 2 lbs = $7.50<BR>\n" );
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document.write( " How much do 2 pounds of chicken and 2 pounds of fish cost. <BR>\n" );
document.write( "5.50 + 7.50 = $13.00<BR>\n" );
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document.write( "Check solutions using the 2nd equation:<BR>\n" );
document.write( "2.4(2.25) + 1.8(3.75) = <BR>\n" );
document.write( "5.40 + 6.75 = 12.15; <BR>\n" );
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