This is a 2-digit number. There is a 3 in the tens place. It is an odd number. It's digits add up to 10. He said u would subtract 10-3 to get the answer, but something doesn't seem right with his answer. It should be a 2 digit number

Answer 1

The child is right. The first number is 3.

Since the digits add up to 10, the number in the ones place must be 7.

37

Answer 2

It is a two-digit number. 10-3=7. The answer is 37.