The formula to calculate the Adrenaline Ratio (R) is:
\[ \text{R} = \frac{\text{A}}{\text{V}} \]
Where:
Let's say the adrenaline amount (A) is 5 mg and the solution volume (V) is 10 ml. Using the formula:
\[ \text{R} = \frac{5}{10} = 0.5 \text{ mg/ml} \]
So, the adrenaline ratio is 0.5 mg/ml.