Noah writes a number on the card. It is greater than 200 but smaller that 220. The sum of all digits is 5. How many possible numbers are there?
The digit in the hundred place is 2.
Sum of the digit in the tens place and the ones place
= 5 - 2
= 3
Hundreds |
Tens |
Ones |
2 |
0 |
3 |
2 |
1 |
2 |
The possible numbers are 203 and 212.
Number of possible numbers: 2
Answer(s): 2