SOLUTION: a ship left a port and sailed east at the rate of 20 miles per hour. one hour later, a second ship left the same port at the rate of 25 miles per hour, also traveling east. in how

Algebra ->  Finance -> SOLUTION: a ship left a port and sailed east at the rate of 20 miles per hour. one hour later, a second ship left the same port at the rate of 25 miles per hour, also traveling east. in how       Log On


   



Question 1035380: a ship left a port and sailed east at the rate of 20 miles per hour. one hour later, a second ship left the same port at the rate of 25 miles per hour, also traveling east. in how many hours did the second ship overtake the first ship?
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
The first ship has a one-hour head start, and thus has gone 20 already. Then the second ship catches up in:
20x+20=25x
5x=20
x=4
After five hours , the first ship has traveled 5(20), or 100 miles. The second ship ,after four hours, has traveled 4(25), or 100 miles also!!!!!!!!