On a number line, which fraction would is to the right of 1/2
A)
2/12
B)
1/3
C)
10/20
D)
16/25

Kelli swam upstream for some distance in a hour. she then swam downstream the same river for the same distance in only 6 minutes. if the river flows at 5km/hr, how fast can kelli swim in still water?