math
posted by Anonymous .
double my tens digit to get my ones digit. double me and i am less than 50

double "me" and i am less than 50, means
"me" has to be less than 25
so the tens digit can either be 1 or 2
double for a ones digit of 2 or 4
numbers are 12 or 24 
12

Double my tens digit to get my ones digit. Double me and I am less than 50.

12 or 24