Answer: Our required answer is 0.08%.
Step-by-step explanation:
According to U.S., if anyone has consumed 0.08 % or above , then he will considered as legally impaired, and he would be administratively suspended.
If he has a breath or blood alcohol level of 0.08% or above or refuse to submit to a chemical test.
In U.S. it must be less than 0.08% in blood alcohol concentration.
Hence, our required answer is 0.08%.
The answer is −3.555555555555556 but you can just put -3.55
