Mario's locker number is between 80 and 99. the sum of the digits is 13. the tens digits is 3 more than the ones digit. what is mario's locker number?

Ok, hmm
possible ones are
starting with 8 or 9
adds to 13
8+5=13
9+4=13
thepossible numbers are 85 and 94
tens is 3 more than ones digit
8-5=3 true
9-4=5, not what we looking for

aswer is 85

The answer is 43 because 3+1=4 and the 3 in the ones spot staying the same!!