document.write( "Question 668635: The members of the science club agreed to contribute $480. if there had been 3 more members in the club each member would have had to pay $8 dollars less. how many members were in the science club originally. \n" ); document.write( "
Algebra.Com's Answer #415891 by lwsshak3(11628)\"\" \"About 
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The members of the science club agreed to contribute $480. if there had been 3 more members in the club each member would have had to pay $8 dollars less. how many members were in the science club originally
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\n" ); document.write( "let x=number of members in the science club originally
\n" ); document.write( "480/x=original club dues
\n" ); document.write( "480/(x+3)=club dues with 3 more members
\n" ); document.write( "..
\n" ); document.write( "480/x-480/(x+3)=8
\n" ); document.write( "LCD:x(x+3)
\n" ); document.write( "480(x+3)-480x=8x(x+3)
\n" ); document.write( "480x+1440-480x=8x^2+24x
\n" ); document.write( "8x^2+24x-1440=0
\n" ); document.write( "x^2+3x-180=0
\n" ); document.write( "factor
\n" ); document.write( "(x+15)(x-12)=0
\n" ); document.write( "x=-15 (reject, x>0)
\n" ); document.write( "x=12
\n" ); document.write( "x+3=15
\n" ); document.write( "number of members in the science club originally=12\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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