Adepartment store has 950 customers one day, and 82% of customers made a purchase .of the customers who made a purchase, 528 bought just one item, 186 bought two items, and the remainder bought three or more items. how many more customers bought three or more items? explain

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field