Question

if 60 mg in 75 ml over 45 min, what is the flow rate in ml/h?

Explanation:

Step1: Convert minutes to hours

Since 1 hour = 60 minutes, and we have 45 minutes. The conversion factor is $\frac{60}{45}=\frac{4}{3}$.

Step2: Calculate the flow - rate

The volume is 75 ml in 45 minutes. To find the volume per hour, we multiply the volume (75 ml) by the conversion factor. The flow - rate $r$ in ml/h is $r = 75\times\frac{60}{45}=\frac{75\times60}{45}=\frac{4500}{45}=100$ ml/h.

Answer:

100 ml/h