If you have 500 apples and your freind asks for two apples but he says he will pay $3.00 for it then it changes to $9.00 how much apples do you have left reamber its not two apples he is asking for

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