How many times does the digit 9 appear in the list of all integers from 1 to 500?
1-100 it shows up 20 times
20 x 5 = 100 times
All the numbers that end in 9 that is 50
All the ones that are in the tens column. That is 50 too.
So like ElectricPavolv says, that is 100.
+1443 
