document.write( "Question 678407: If the average of 57 numbers is 85, what number must be added to give an average of 87? \n" ); document.write( "
Algebra.Com's Answer #421388 by Alan3354(69443)\"\" \"About 
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If the average of 57 numbers is 85, what number must be added to give an average of 87?
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\n" ); document.write( "(57*85 + n)/58 = 87
\n" ); document.write( "n + 4845 = 58*87 = 5046
\n" ); document.write( "n = 201
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