3. There is only one phrase for an algebraic expression that involves subtraction or division. For example, "4 - p" can be written as "four minus a number" but not "a number minus four."
Explain why

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?