document.write( "Question 1042061: hello,
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document.write( "phone company A charges $35 per month, plus .25 per minute roaming charges.
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document.write( "phone company B charges $45 per month, plus .05 per minute roaming charges.
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document.write( "when will these plans cost the same?
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document.write( "please show a written equation answer.
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document.write( "thanks \n" );
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Algebra.Com's Answer #657020 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! phone company A charges $35 per month, plus .25 per minute roaming charges. \n" ); document.write( "A(m) = 35 + 0.25m \n" ); document.write( "-------------------------- \n" ); document.write( "phone company B charges $45 per month, plus .05 per minute roaming charges. \n" ); document.write( "B(m) = 45 + 0.05m \n" ); document.write( "------------------------- \n" ); document.write( "when will these plans cost the same? \n" ); document.write( "please show a written equation answer. \n" ); document.write( "Solve: \n" ); document.write( "35+ 0.25m = 45+ 0.05m \n" ); document.write( "----- \n" ); document.write( "10 = 0.2m \n" ); document.write( "m = 100/2 \n" ); document.write( "# of minutes = 50 \n" ); document.write( "----- \n" ); document.write( "Cost is the same when the calling time is 50 minutes. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |