I am a whole number. when you add 3 to me you get a 2-digit number. The 2-digit number is the same as 3 four times. What number am I?

Answer 1

The whole number is 9.

When you add 3 to 9, you get the two-digit number of 12.12 is also the same as 3 x 4. I hope this helps you! :)