What is the missing number 115_135
What are they counting by
![What is the missing number 115135 What are they counting by class=](https://us-static.z-dn.net/files/dda/b1cdf991e1de6a3df7dd27f41a288945.jpg)
Answer:
Step-by-step explanation:
Add the 2 numbers together and divide by 2. This is giving you the number directly in between the given numbers. 135 + 115 = 250. 250/2 = 125, for example.