document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=183473>Question 183473</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0201812487/algebrahomeworkh>Addison Wesley Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A person caught 24  fish.  Some are Rockfish, some are Bluefish.  A rockfish weighs 2.5 lbs. and a bluefish weighs 8 lbs.  Altogether the fish weigh 137 lbs.  How many rockfish and how many bluefish were caught?<BR>\n" );
document.write( "     I don't know how to set this up as an equation.  I figured that there are 10 rockfish and 14 bluefish, but don't know how to make this into an equation.   Thank you for any help you can give me.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137753 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=137753\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "OK.<BR>\n" );
document.write( "ONE APPROACH:<BR>\n" );
document.write( "Let x=number of rockfish<BR>\n" );
document.write( "then 24-x=number of bluefish<BR>\n" );
document.write( "2.5x+8(24-x)=137 get rid of parens<BR>\n" );
document.write( "2.5x+192-8x=137 subtract 192 from each side<BR>\n" );
document.write( "2.5x+192-192-8x=137-192 collect like terms<BR>\n" );
document.write( "-5.5x=-55<BR>\n" );
document.write( "x=10------------------number of rockfish<BR>\n" );
document.write( "24-x=24-10=14-------------number of bluefish<BR>\n" );
document.write( "ANOTHER APPROACH:<BR>\n" );
document.write( "Let x=number of rockfish<BR>\n" );
document.write( "And let y=number of bluefish<BR>\n" );
document.write( "x+y=24--------------------------------eq1<BR>\n" );
document.write( "2.5x+8y=137-----------------------------eq2<BR>\n" );
document.write( "You can solve\r<BR>\n" );
document.write( "\n" );
document.write( "Hope this helps----ptaylor </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );