Natalie writes a number on the card. It is greater than 700 but smaller that 730. The sum of all digits is 11. How many possible numbers are there?
The digit in the hundred place is 7.
Sum of the digit in the tens place and the ones place
= 11 - 7
= 4
Hundreds |
Tens |
Ones |
7 |
0 |
4 |
7 |
1 |
3 |
7 |
2 |
2 |
The possible numbers are 704, 713 and 722.
Number of possible numbers: 3
Answer(s): 3