document.write( "Question 262776: Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $20 one-time activation fee and charges 13 cents a minute. The second plan has no activation fee and charges 17 cents a minute. After how many minutes of long distance calls will the costs of the two plans be equal? \n" ); document.write( "
Algebra.Com's Answer #193642 by pinklipgloss2007(6)![]() ![]() You can put this solution on YOUR website! Set the two equations equal to each other. \n" ); document.write( "20+0.13m=0.17m \n" ); document.write( "Subtract 0.13m from each side. \n" ); document.write( "You get 20=0.04m \n" ); document.write( "Divide both sides by 0.04m \n" ); document.write( "500=m \n" ); document.write( "So after 500 minutes, the phone plans should be equal. \n" ); document.write( " |