document.write( "Question 329026: The members of the Feather Fuzz Bird Watchers Club were going to pay $18 each to go on an outing. Shortly before leaving, 5 new members joined. With everybody going, this reduced everybody's expense by $2.25. How many members are now in the F.F.B.W.C? \n" ); document.write( "
Algebra.Com's Answer #236010 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Bird Watchers Club were going to pay $18 each to go on an outing. \n" ); document.write( " Shortly before leaving, 5 new members joined. \n" ); document.write( " With everybody going, this reduced everybody's expense by $2.25. \n" ); document.write( " How many members are now. \n" ); document.write( ": \n" ); document.write( "Let x = no. of members now \n" ); document.write( "then \n" ); document.write( "(x-5) = original no. of members \n" ); document.write( ": \n" ); document.write( "Final amt: 18 - 2.25 = $15.75 \n" ); document.write( ": \n" ); document.write( "total cost remains the same therefore: \n" ); document.write( "18(x-5) = 15.75x \n" ); document.write( ": \n" ); document.write( "18x - 90 = 15.75x \n" ); document.write( ": \n" ); document.write( "18x - 15.75x = 90 \n" ); document.write( ": \n" ); document.write( "2.25x = 90 \n" ); document.write( ": \n" ); document.write( "x = 40 members now \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution by finding the actual total cost \n" ); document.write( "40 * 15.75 = 630 \n" ); document.write( "35 * 18 = 630, confirms our solution of x=40 \n" ); document.write( " |