document.write( "Question 1125813: Plan A $45.99 for 400 min and $.50 for each min after. Plan B $49.99 for 400 min and $.40 for each min after \n" ); document.write( "
Algebra.Com's Answer #742116 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! I will answer the question is when they are equal. \n" ); document.write( "45.99+0.50x=49.99+0.40x, where x is the number of minutes \n" ); document.write( "0.10x=4.00 \n" ); document.write( "x=40 minutes after 400 used, or 440 minutes altogether.\r \n" ); document.write( "\n" ); document.write( "If there is an inequality, it will favor plan B after 440 minutes, because each additional minute is cheaper.\r \n" ); document.write( "\n" ); document.write( "The cost is 45.99+(40*0.50)=$65.99 \n" ); document.write( "or \n" ); document.write( "49.99+(0.40*40)=$65.99 \n" ); document.write( " |