NTSE_MAT - Grade 10 (Question: 1607320620) Locked
The boat travels downstream in 4/9 of the time as it does going upstream. If the velocity of the river current is 12 kilometer per hour, determine the velocity of the boat in still water.
A. 40 kph
B. 31.5 kph
C. 41.2 kph
D. 31.2 kph