Contestants in a dance-a-thon rest for the same amount of time evey hoir. a couple rests for 25 minutew in 5 hours. how long did they rest in 8 hours?

If each couple rests for minutes every hour, the time spent resting, , after hours is given by

We know that a couple spent 25 minutes resting in 5 hour. So, the rate is

So, every couple rests 5 minutes per hour.

This means that, after 8 hours, the couples rest

minutes.