A.18 B.16 C.22 D.20
A.10 hours in any 24-hour period B.72 hours in any seven-day period C.ten hours in any 24-hour period D.88 hours in any seven-day period
A.14 hours in any 24-hour period B.77 hours in any seven-day period C.ten hours in any 24-hour period D.88 hours in any seven-day period