A cereal box says it contains 18 ounces of cereal. Upon weighing it, Luke found out that it only contains 14 ounces of cereal. What is the percent error for the cereal box?

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