SOLUTION: An aircraft carrier left Diego Garcia and traveled toward St. Vincent at an average speed of 12 km/h. A container ship left one hour later and traveled in the same direction but wi

Question 983919: An aircraft carrier left Diego Garcia and traveled toward St. Vincent at an average speed of 12 km/h. A container ship left one hour later and traveled in the same direction but with an average speed of 15 km/h. Find the number of hours the aircraft carrier traveled before the container ship caught up.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
An aircraft carrier left Diego Garcia and traveled toward St. Vincent at an average speed of 12 km/h.
Let the time taken to meet be x
distance travelled = 12x

A container ship left one hour later and traveled in the same direction but with an average speed of 15 km/h.
one hour later
time = (x-1) hours
distance travelled = 15(x-1)
distance travelled by both when they meet is same
15(x-1) = 12x
15x-12x = 15
3x= 15
x= 5

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