# What are the 2 numbers if the sum is 70 and they differ by 11?

##### 1 Answer
Nov 1, 2014

$x + y = 70$
$x - y = 11$

Add the two equations

$\left(x + y\right) + \left(x - y\right) = 70 + 11$

$2 x = 81$

$x = 40.5$

$x + y = 70$

$40.5 + y = 70$

$y = 70 - 40.5$

$y = 29.5$

Your two numbers are $40.5$ and $29.5$