SOLUTION: A ship left a port and sailed east at a rate of 20 mph. one hour later a second ship left the same port at the rate of 25 mph, also headed east. In how many hours did the second sh

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Question 993753: A ship left a port and sailed east at a rate of 20 mph. one hour later a second ship left the same port at the rate of 25 mph, also headed east. In how many hours did the second ship over take the first ship?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
A ship left a port and sailed east at a rate of 20 mph. one hour later a second ship left the same port at the rate of 25 mph, also headed east. In how many hours did the second ship over take the first ship?
let x=travel time of 2nd ship
x+1=travel time of 1st ship
20(x+1)=25x
20x+20=25x
5x=20
x=4
In how many hours did the second ship over take the first ship? 4