There must be something missing there is no possible way to answer the question without a variable.
Answer:
I dont really know how to do this, but I think you have to multiply
Step-by-step explanation:
Answer:
6.45
Step-by-step explanation:
6.9-6.0=0.9
0.9÷2=0.45+6=6.45
This is the middle between 18 and 21.
Hope this helps and give brainliest, thank me and rate it 5 please. :)
