I think any irrational number would do this? I'm not positive though. Some examples may be pi or the square root of 2.
It would equal 15. To get 15, you would first do 1*10= which equals 10. After that, you would add 5 to the 10 then there's your answer. I hoped this helped!
Answer:lol it’s 697
Step-by-step explanation: it could be
I think its 28.5, but you should check with someone else.