4. How many weeks are equivalent to 2016 hours?
A 6
B 8
C 10
D 12
E 16
4. D By dividing by 4 and then by 6 , we see that $2016=4 \times 504=4 \times 6 \times 84=24 \times 84$ So 2016 hours is 84 days and $84=7 \times 12$ so 2016 hours is 12 weeks.