He will probably talk for between forty minutes and an hour.

The length of each period is usually between 5 to 8 minutes.

They typically last somewhere between 30 minutes and two hours.

Each observation took between 10 minutes to a little over an hour.

It has 20 questions and should take between 5-10 minutes.

The attack typically takes between 50 seconds and 2 minutes.

"I have between 20 seconds and three minutes to educate them."

It is expected to last between 90 minutes and two hours.

Journey time is usually between 40 minutes and an hour.

The response time for most is between 15 minutes and four hours.