document.write( "Question 378119: Use Interval notation to express the range..\r
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document.write( "On the first of four exams, your grades are 78, 86, 69 and 79. You are hoping to earn a C in the course. this will occur if the average of your five exam grades is greater than or equal to a 70 and less than an 80. What range of grades on the fifth exam will result in earning a C? \n" );
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Algebra.Com's Answer #268683 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Aim for the middle? \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "The average is equal to, \n" ); document.write( " \n" ); document.write( "where X is the final grade. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |