A train passes through a station every 20 minutes. In one day, how many trains pass through the station? If a train passes through every 20 minutes, in 25 days, how many trains pass through the statio

There are 7 days in 1 week.

In 1 week, 588 trains will pass through the station.

b) 25 days?

In 25 days, 2100 trains will pass through the station.

The final answers are:

a) $\boxed{588 \text{ trains}}$

b) $\boxed{2100 \text{ trains}}$