A container ship left the Dania Pier and traveled toward St. Vincent. An aircraft carrier left six hours later traveling 9 km/h faster in an effort to catch up to it. After four hours the aircraft carrier finally caught up. Find the container ship's average speed.

6 km/hr

Step-by-step explanation:

Let and be the average speed and the time of travel of the container ship, and and be the average speed and the time of travel of the aircraft carrier.

As the aircraft carrier left 6 hours later traveling 9 km/h faster in an effort to catch up to it and after 4 hours the aircraft carrier finally caught up.

hr

and hr

As the distance covered by both is same, so

km/hr

Hence, the speed of the container ship is 6 km/hr.

4038

step-by-step explanation:

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