Step-by-step explanation:
I don't know what this is asking so ill tell you any way i can think of.
1. 89 + 10 = 99
2. 99 - 10 = 89
3. What is 10 more than 99? We are looking for a new number which is 10 more than 99. We will get the new number by adding 10 to 99. We write it down as: 99+10=109 And finally the solution for: What number is 10 more than 99? is 109
4. 10 mehr als eine Zahl ist 99.