Question

At rush hour, two people per second step onto an escalator. The escalator takes 24 seconds to bring a person from the bottom to the top. How many people are on the escalator during rush hour

Answer 1

"48" is the appropriate solution.

Explanation:

Given:

Flow rate,

R = 2 people per sec.

Flow time,

T = 24 seconds

By using the Little's Law,

⇒
`I = R* T`

The no. of people during rush hour will be:

⇒
`=24* 2`

⇒
`=48`