document.write( "Question 762331: My friend and I have different calling plans. Mine has a monthly fee of $15 and $0.05 per minute charge. My friend pays $0.02 a minute and a $20 monthly customer fee.\r
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document.write( "After how many minutes will our plans cost the same amount? Round your answer to the nearest minute. \n" );
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Algebra.Com's Answer #463957 by ramkikk66(644)![]() ![]() ![]() You can put this solution on YOUR website! Let us say that after x minutes, both plans cost the same.\r \n" ); document.write( "\n" ); document.write( "After x min, my plan will cost \n" ); document.write( "After x min, my friend's plan costs \n" ); document.write( "\n" ); document.write( "Equating the 2,\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Simplifying\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Rounding off to nearest minute, the two plans will cost the same after \n" ); document.write( "\n" ); document.write( ":)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |