document.write( "Question 1168127: A phone company offers two monthly plans. Plan A costs $11 plus an additional $0.12 for each minute of calls. Plan B costs $17 plus an additional $0.10 for each minute of calls.
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document.write( "For what amount of calling do the two plans cost the same?
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document.write( "What is the cost when the two plans cost the same?
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document.write( "$ \n" );
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Algebra.Com's Answer #792743 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 11+0.12m=17+0.10m is the equation needed, a linear equation with a constant monthly cost and a variable of minutes used \n" ); document.write( "0.02m=6 \n" ); document.write( "m=300 so 300 minutes.\r \n" ); document.write( "\n" ); document.write( "then A is $11+$36 or $47 and B is $17 + $30 or $47. \n" ); document.write( " |