document.write( "Question 1046545: Six people are standing in line for concert tickets. Their average age is 27. The average age of the first four people in line is 23. The average age of the last three people is 34. How old is the fourth person in line? \n" ); document.write( "
Algebra.Com's Answer #661988 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "If the average of numbers is , then the sum of the numbers must be .\r
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\n" ); document.write( "\n" ); document.write( "The sum of the ages of all 6 people is then 6 times 27 or 162.\r
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\n" ); document.write( "\n" ); document.write( "The sum of the ages of the first 4 people is 4 times 23 or 92.\r
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\n" ); document.write( "\n" ); document.write( "So the sum of the ages of the last 2 people must be 162 minus 92 or 70.\r
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\n" ); document.write( "\n" ); document.write( "Since the sum of the ages of the last three must be 3 times 34 or 92, the age of the 4th person has to be 92 minus 70, or 22.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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