7 days = (     ) hours

5 centries = (     ) years

50 years = (     ) decades

9 days = (     ) hours

8 minutes = (     ) seconds

8 hours = (     ) minutes

70 days = (     ) weeks

6 centries = (     ) years

60 years = (     ) decades

2 decades = (     ) years

2 minutes = (     ) seconds

6 minutes = (     ) seconds

6 weeks = (     ) days

30 years = (     ) decades

6 minutes = (     ) seconds

50 years = (     ) decades

3 decades = (     ) years

6 days = (     ) hours

7 hours = (     ) minutes

4 days = (     ) hours

7 days = (     ) hours (168)

5 centries = (     ) years (500)

50 years = (     ) decades (5)

9 days = (     ) hours (216)

8 minutes = (     ) seconds (480)

8 hours = (     ) minutes (480)

70 days = (     ) weeks (10)

6 centries = (     ) years (600)

60 years = (     ) decades (6)

2 decades = (     ) years (20)

2 minutes = (     ) seconds (120)

6 minutes = (     ) seconds (360)

6 weeks = (     ) days (42)

30 years = (     ) decades (3)

6 minutes = (     ) seconds (360)

50 years = (     ) decades (5)

3 decades = (     ) years (30)

6 days = (     ) hours (144)

7 hours = (     ) minutes (420)

4 days = (     ) hours (96)