Cole has a rectangular prism that measures 4 inches by 5 inches by 6 inches. he says that by changing one dimension, he can make a prism with a volume of 240 cubic inches. what are three ways he can solve this?

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