Find two consecutive whole numbers whose sum is 19.


To do:  To find the two consecutive whole numbers whose sum is 19


Solution:

Let the two consecutive whole number be $x \ and \ x + 1$

Their sum $x + x + 1 = 2x + 1 = 19$ (given) 

$2x = 19 - 1$

$2x = 18$

$x = \frac{18}{2}$

$ x = 9$ and $x + 1 = 9 + 1 = 10$

So the consecutive whole numbers are 9 and 10.

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Updated on: 10-Oct-2022

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