It takes Caroline 1/5 of an hour to walk a mile. Four of Caroline's friends time themselves on their own walks of different lengths.
*David: walked 1/2 of a mile in 2/5 of an hour
*Jeanette: walked 1/2 of a mile in 1/10 of an hour
*Kay: walked 1/5 of a mile in 12 of an hour
*Mark: walked 1/3 of a mile in 3/5 of an hour
Which friend is walking at the same rate as Caroline?
A.David
B.Jeanette
C.Kay
D.Mark