document.write( "Question 773700: Find 3 consecutive numbers whose sum is 20 more than the second number \n" ); document.write( "

Algebra.Com's Answer #471749 by ramkikk66(644) $\"\"$ $\"About$

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Let the 3 numbers be n-1,n and n+1. The middle number is n.
\n" ); document.write( "Their sum = n-1+n+n+1 = 3*n.
\n" ); document.write( "Now from the problem statement
\n" ); document.write( "3*n = n + 20.
\n" ); document.write( "2*n = 20 or n = 10.
\n" ); document.write( "So the 3 numbers are 9,10 and 11.
\n" ); document.write( ":)
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