A jet left Tokyo flying east one hour before a passenger plane. The passenger plane flew in the opposite direction going 200 mph faster than the jet for ten hours after which time the planes were 5570 mi. apart. How fast did the jet fly?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.