I need this answer, please help

Your answer would have to be either exactly or approximately 0.72 L/h

Step-by-step explanation:

Again, let's treat the units as variables.

We're trying to find the rate in liters per hour.

There are 1000 ml in 1 L.

There are 60 min in 1 h.

Again, a big mess of units. Let's use algebra to clean up our answer.

So your answer would have to be either exactly or approximately 0.72 L/h