Two trains start from 128 mi apart and travel towards each other on parallel. they pas each other 1.6 hr later. if one train travels 10 mph faster than the other. find the speed of each train

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet