THREE MOTORISTS A, B, AND C OFTEN TRAVEL ON A CERTAIN H...
9.
Three motorists A, B, and C often travel on a certain highway, and each motorist always travels at a
constant speed. A is the fastest of the three and C is the slowest. One day when the three travel in the
same direction, B overtakes C. Five minutes later, A overtakes C. In another three minutes, A overtakes
B.
On another occasion when they again travel in the same direction, A overtakes B first. Nine minutes
later, A overtakes C.
When will B overtake C?
Solution:
15 minutes.