The speed of a stream is 3 km/hr. A boat goes 24 km and comes back to the starting point in 6 hours. What is the speed (in km/hr) of the boat in still water?

The speed of a stream is 3 km/hr. A boat goes 24 km and comes back to

1.	The speed of a stream is 3 km/hr. A boat goes 24 km and comes back to the starting point in 6 hours. What is the speed (in km/hr) of the boat in still water?
A.	4
B.	9
C.	8
D.	12
Answer» C. 8