In this problem the letters x and y are each one digit numbers. Compare x+y O 19?

Question

Do I put any number for x and y ? please help.

Your answer was no but how do I do this problem?

Answer 1

What does O mean?

Answer 2

So you can use any 1 digit number. For example: I used 2+3. Since 2+3=5 what I did was then re-write my problem to 5 < 9. In the circles, I used a less than sign since 5 is less than 9. But you can use any 1 digit number to add.
That is not an O. That is just a circle for you to fill in your missing sign like greater than or less than, ect...