Problem: A man on his way to dinner shortly after p.m. observes that the hands of his watch form an angle of . Returning before p.m. he notices that again the hands of his watch form an angle of . The number of minutes that he has been away is:
Answer Choices:
A.
B.
C.
D.
E.
Solution:
During the interval the large hand has moved degrees while the small hand has moved degrees.
the Interval equals (minutes)
