document.write( "Question 978514: Fitness club CanFit charges a $150 initial fee to join the club and a $20 monthly fee. Fitness \"R\" us charges an initial fee of $100 and a $30/month \n" ); document.write( "
Algebra.Com's Answer #599954 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "To find out the number of months \n" ); document.write( "when both plans equal the same, \n" ); document.write( "set up two equations and make them \n" ); document.write( "equal one another. \n" ); document.write( "CanFit 150 + 20n (n = no. of months) \n" ); document.write( "Fitness 'R' 100 + 30n \n" ); document.write( "=> 150 + 20n = 100 + 30n \n" ); document.write( "Collect like terms \n" ); document.write( "=> 20n - 30n = 100 - 150 \n" ); document.write( "=> -10n = - 50 \n" ); document.write( "n = -50/-10 \n" ); document.write( "n = 5 \n" ); document.write( "Therefore after 5 months both plans cost the same. \n" ); document.write( "=>150 + 20n = 100 + 30n \n" ); document.write( "=>150 +20(5) = 100 + 30(5) \n" ); document.write( "=> 150 + 100 = 100 + 150 \n" ); document.write( "=> 250 = 250 \n" ); document.write( "Hope htis helps:-) \n" ); document.write( " |