Answer:
The numbers should be even, it means the unit digits are 4, 6 or 8.
The numbers should be minimal, it means the hundred's digits are 4 and 5.
With this we have possible numbers:
- 4x6 and 5y8, here 6 and 8 could be exchanged.
The options are:
- 496 and 578 or
- 476 and 598 or
- 498 and 576 or
- 478 and 596
The sum of the two numbers is:
