Three friends went running. The table below shows their last 3 lap times.

Name
Lap 1
Lap 2
Lap 3
Paula
16 mins 20 secs
15 mins 50 secs
14 mins 40 secs
Kate
16 mins 30 secs
16 mins 20 secs
15 mins 40 secs
Sam
16 mins 10 secs
16 mins 10 secs
15 mins 30 secs

What is the range of these lap times?

minute(s) second(s)