So,
You have to multiply the 50 and the 7 to get how many minutes per week.
350 minutes per week.
To convert it to hours, divide it by 60 and the remainder is the minutes
350/60=5 R50
5 hours 50 minutes
If you want a fraction,
50 minutes=5/6 hour
5 5/6 hours.
Hope I helped!
