document.write( "Question 217290: Navigate questions by number \n" );
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document.write( " Total time remaining: 2:15 \n" );
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document.write( "Question #27 / 30 \r \n" );
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document.write( "Suppose that the monthly cost of a long-distance phone plan (in dollars) is a linear function of the total calling time (in minutes). When graphed, the function gives a line with a slope of 0.12 See the figure below.\r \n" );
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document.write( "The monthly cost for 51 minutes of calls is $18.51 What is the monthly cost for 43 minutes of calls? \n" );
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