document.write( "Question 1031018: The average of 5 numbers is 9. Four of the numbers are 2, 1, 6, and 13. What is the fifth number? \n" ); document.write( "

Algebra.Com's Answer #645743 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi  
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document.write( "The average of 5 numbers is 9. Four of the numbers are 2, 1, 6, and 13. 
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document.write( "What is the fifth number? Let that be x
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document.write( "(2 + 1 + 6 + 13 + x)/5 = 9 
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document.write( "22 + x = 45
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document.write( "  x = 23 \n" );
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