Question

a popular roller coaster ride lasts 10 minutes. there are 20 people on average on the roller coaster during peak time. how many people are stepping into the roller coaster

Answer 1

Flow rate is 2 people per minute

Explanation:

The computation of the number of people stepping into the roller coaster is shown below:

Here we use the little law

As we know that

Inventory or number of jobs = throughput or flow rate × flow time

20 = throughput or flow rate × 10

Therefore

Flow rate is 2 people per minute

We simply applied the above formula