document.write( "Question 662051: Could someone please help me? I am in need of a lesson on how to tackle algebra 2 word problems, specifically inequality problems. I struggle with setting the problem up. Here's an example of a problem, which I have been struggling with;\r
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document.write( "The telephone company offers two types of service. With plan A, you can make an unlimited number of local calls per month for $18.50. With plan B, you pay $6.50 monthly, plus 10 cents for each minute of calls after the first 40 min. At least how many min would you have to use the telephone each month to make plan A the better option \n" );
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Algebra.Com's Answer #411907 by ReadingBoosters(3246)![]() ![]() ![]() You can put this solution on YOUR website! Plan A: 18.50 \n" ); document.write( "Plan B: 6.50 + .1(x) \n" ); document.write( "where x is minutes after 40 minutes \n" ); document.write( "18.50 < 6.50 + .1x \n" ); document.write( "18.50 < 6.50 = .1x \n" ); document.write( "12 < .1x \n" ); document.write( "x > 120 \n" ); document.write( "The plans are equal when x in plan B is 120, which means the user has used 120 minues above the alloted 40 minutes. \n" ); document.write( "So A < B when x > 120 \n" ); document.write( " |