Question 1030258
use the formula "rate(r) times time(t) = distance(d)"
:
Andrew's rate is 6km/hr and Karen's is 4km/hr and they walked in opposite directions for 1/2 hour
:
we add their two distances
:
(6 * (1/2)) + (4 * (1/2)) = 3 + 2 = 5 
:
*********************************
The distance between them is 5 Km
*********************************
: