math
posted by john
The sum of two consecutive numbers is n+1. What are the numbers?

Reiny
let the first be x
then the next is x+1
x + x+1 = n+1
2x = n
x = n/2
the numbers are n/2 and n/2+1 or (n+2)/2 , where n is an even number.
e.g. let n = 6
then x = 3, and (n+2)/2 = 4
their sum is 7 OR n+1 which is also 7
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