On Saturday mornings, Rosa exercises by riding her bicycle along a route from her home
and back again. Her ride normally takes 1 hour and 40 minutes to complete.
If Rosa leaves home at 10:30 A.M. and rides for the usual amount of time, when will she arrive back home?
A. 130 A.M.
B. 140 A.M.
C. 110 P.M.
D. 130 P.M.
E. 140 P.M.
Answer: C