SOLUTION: wo high-speed ferries leave at the same time from a city to go to the same island. the first ferry, the cat, travels at 32 miles per hour . the second ferry , the bird, travels at

Question 336826: wo high-speed ferries leave at the same time from a city to go to the same island. the first ferry, the cat, travels at 32 miles per hour . the second ferry , the bird, travels at 27 miles per hour. in how many hours will the two ferries be 20 miles apart?

the ferries will be 20 miles apart after _____ hour(s)
Found 2 solutions by rfer, Alan3354:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
moving apart at 5 mph
20/5=4 hrs
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The difference is 5 mph (32-27)
20/5 = 4 hours

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