The second one it's double.
Answer:
The inequalities all need to be of the form a < x ≤ b. i think that is it
It's 416,666,667/1,000,000,000. //// If you said that the 6s keep going and never end, then it would be the decimal form of 5/12 .
Due to the order of operations the correct answer is 6+2*5=16