Question 1045415
.
25.


52 - 25 = 27.


<U>Answer</U>. 25.


The simplest way to solve it is to guess. You need to check only three numbers: 16, 25 and 34.


If you want to know/to learn another way, look into the lesson 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/misc/Word-problems-on-interchanging-digits-of-numbers.lesson>Word problems on interchanging digits of numbers</A>

in this site.