To achieve a more accurate result, the formula for calculating blood alcohol content for a particular person should be adjusted to reflect which of the following?

a) weight
b) tolerance
c) environment
d) time

a) Weight

Explanation:

According to my research on studies conducted by various medical professionals, I can say that based on the information provided within the question this test should be adjusted based on the persons weight. This is because a bigger person would have more quarts of blood in their body and thus be less affected by a certain amount of alcohol as a person that weighs less. It is said that the amount of blood in a persons body is about 7% of the individuals body weight.

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i think the answer is d.