I am a 3 digit number whose tens place is 5 more than the ones and hundreds place is 8 less than the tens place. Who am i
Start with the unit
x x 1
x 6 1
-2 6 1, no way
x 7 2
-1 7 2 , no way
x 8 3
0 8 3 , not really a 3 digit number
>b>1 9 4 ---- looks good
1 10 5 , no way