document.write( "Question 800599: Problem: The average of a set of four integers is 14. When a fifth number is included in the set, the average of the set increases to 16. What is the 5th number?\r
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document.write( "Question: I know the 5th number is 24 because I checked for the answer, but I do not know how to solve it. How would this problem be solved? \n" );
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Algebra.Com's Answer #483147 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Problem: The average of a set of four integers is 14. When a fifth number is included in the set, the average of the set increases to 16. What is the 5th number? \n" ); document.write( "----------------------------- \n" ); document.write( "Sum of the 4 integers is 4*14 = 56 \n" ); document.write( "-------- \n" ); document.write( "Equation:: (56+x)/5 = 16 \n" ); document.write( "56+x = 80 \n" ); document.write( "x = 24 (the 5th number) \n" ); document.write( "------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |