Jacob writes a number on the card. It is greater than 500 but smaller that 520. The sum of all digits is 8. How many possible numbers are there?
The digit in the hundred place is 5.
Sum of the digit in the tens place and the ones place
= 8 - 5
= 3
Hundreds |
Tens |
Ones |
5 |
0 |
3 |
5 |
1 |
2 |
The possible numbers are 503 and 512.
Number of possible numbers: 2
Answer(s): 2