Answer:
[tex]4\ hours[/tex]
Step-by-step explanation:
we know that
1 hour=60 minutes
we know that
To find out how many hours and minutes it will take Michelle to listen to the 5 CDs, add the times for each CD.
so
[tex]2(51)+3(46)=240\ minutes[/tex]
Convert to hours
[tex]240=240/60=4\ hours[/tex]