Question

two units of medication must be administered for every 30 kilograms of body weight. write this as a rate in simplified form.

Explanation:

Step1: Identify the given rate

The given rate is 2 units of medication for 30 kilograms of body - weight, written as $\frac{2\text{ units}}{30\text{ kg}}$.

Step2: Simplify the rate

Divide both the numerator and the denominator by their greatest common divisor, which is 2. $\frac{2\div2}{30\div2}=\frac{1\text{ unit}}{15\text{ kg}}$.

Answer:

B. $\frac{1\text{ unit}}{15\text{ kg}}$