Two high-speed ferries leave at the same time from a city to go to the same island. the first ferry, the cat, travels at 39 miles per hour. the second ferry, the bird, travels at 20 miles per hour. in how many hours will the two ferries be 38 miles apart? the ferries will be 38 miles apart after hours. two friends, jodi cotton and abe mantell, go horseback riding on the same trail in the same direction. jodi's horse travels at 8 miles per hour while abe's horse travels at a slower pace. after 3 hours they are 6 miles apart. find the speed at which abe's horse is traveling. abe’s horse is traveling at the speed of miles per hour. can you show your work