$\"\"$

\

The equation is $\"\"$ .

\

Where, the relative risk is $\"\"$ .

\

The percent of concentration of alcohol in the bloodstream is $\"\"$ , and $\"\"$ is constant.

\

(a)

\

The percent of concentration of alcohol in the bloodstream is $\"\"$ .

\

The relative risk is $\"\"$ .

\

Find the value of constant $\"\"$ .

\

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

From the definition $\"x$ if and only if $\"y$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The value of constant is $\"\"$ .

\

$\"\"$

\

(b)

\

Find the relative risk.

\

The concentration of alcohol percent is $\"\"$ .

\

The value of constant is $\"\"$ .

\

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

The relative risk is $\"\"$ .

\

$\"\"$

\

(c)

\

Find the concentration of alcohol percentage.

\

The relative risk is $\"\"$ and $\"\"$ .

\

Substitute all the above values in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

From the definition $\"x$ if and only if $\"y$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

The concentration of alcohol is $\"\"$ .

\

$\"\"$

\

(d)

\

Find the concentration of alcohol percentage.

\

The relative risk of an accident $\"\"$ .

\

The constant value is $\"\"$ .

\

Substitute all the above values in $\"\"$ .

\

$\"\"$

\

From the definition $\"x$ if and only if $\"y$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

A driver with a BAC of $\"\"$ or more should be arrested and charged with DUI.

\

$\"\"$

\

(a)The value of constant is $\"\"$ .

\

(b) The relative risk is $\"\"$ .

\

(c)The concentration of alcohol is $\"\"$ .

\

(d)A driver with a BAC of $\"\"$ or more should be arrested and charged with DUI.

\

(e)

\