document.write( "Question 222137: The average ago of the starting line-up on an NBA basketball team is 25 years. If four of the five players are 21,23,24, and 31 years old, find the age of the fifth player. \n" ); document.write( "
Algebra.Com's Answer #166422 by checkley77(12844)\"\" \"About 
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21,23,24, and 31 years old,
\n" ); document.write( "(21+23+24+31+x)/5=25
\n" ); document.write( "(99+x)/5=25
\n" ); document.write( "99+x=5*25
\n" ); document.write( "x=125-99
\n" ); document.write( "x=26 years is the age of the fifth player.
\n" ); document.write( "Proof:
\n" ); document.write( "(21+23+24+31+26)/5=25
\n" ); document.write( "125/5=25
\n" ); document.write( "125=5*25
\n" ); document.write( "125=125
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