Answer:
2
Step-by-step explanation:
I think bc I just divide im guessing
Divided 200000 in half to get 100000 and the same to 800 then
change to percentages 4%
4% is the answer
thank me
Answer: 
You can write this as (-infinity, 7) if you aren't able to use the infinity symbol.
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Explanation:
Think of x < 7 as writing 
So x is between negative infinity and 7, excluding both endpoints.
To write
in interval notation, we write
The curved parenthesis tell us to exclude the endpoint.
Would you like a full explanation or is it better for me just to plug it all in to my graphing calculator to get quick answers