document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=428076>Question 428076</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I need your help on this question:\r<BR>\n" );
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document.write( "In a fish shop,60% of the fish were guppies and the rest were angelfish. After 81 fishes were removed, the number of guppies decreased by 25% and the number of angelfish was 1/4 of the original number of angelfish. <BR>\n" );
document.write( "a)How many guppies were removed?<BR>\n" );
document.write( "b)How many angelfish were there at first?\r<BR>\n" );
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document.write( "Thank you, I really appreciate your help!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297623 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=297623\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a fish shop,60% of the fish were guppies and the rest were angelfish. After 81 fishes were removed, the number of guppies decreased by 25% and the number of angelfish was 1/4 of the original number of angelfish. <BR>\n" );
document.write( "a)How many guppies were removed?<BR>\n" );
document.write( "b)How many angelfish were there at first?\r<BR>\n" );
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document.write( "Thank you, I really appreciate your help! \r<BR>\n" );
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document.write( "let total fish be x<BR>\n" );
document.write( "0.6x = guppies<BR>\n" );
document.write( "0.4x = angelfish<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x-81 = 0.75*0.6x +0,25*0.4x<BR>\n" );
document.write( "x-81=0.45x+0.1x<BR>\n" );
document.write( "x-81=0.55x<BR>\n" );
document.write( "0.45x=81<BR>\n" );
document.write( "x=180 fish <BR>\n" );
document.write( "60 % of 180 = 108 were guppies<BR>\n" );
document.write( "40%of 180= 72 were angel fish<BR>\n" );
document.write( "...<BR>\n" );
document.write( "25%of 108 = 27 guppies were removed<BR>\n" );
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