Question 1112871
.
The correct answer is 46.


The answer "64" given by @josgarithmetic is INCORRECT.



On reversing digits in 2-digit numbers see 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 reversing digits of numbers</A>

in this site.