Agirl builds a rectangular prism out of wooden cubes. she uses 320 cubes that measure 1/2 inch on each edge. what us the volume, in cubic inches, of the rectangular prism she builds

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?