document.write( "Question 405568: Prove that half the sum of four consecutive numbers is odd \n" ); document.write( "

Algebra.Com's Answer #286449 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Let x, (x+1),(x+2),(x+3) represent the four consecutive numbers 
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document.write( " x + (x+1)+(x+2)+(x+3)= 4x + 6
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document.write( "  (1/2)(4x+6) = 2x + 3   |2x would be an even number.   2x +3 an odd number \n" );
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