Out of 2000 at the World Triatholon race, a total of 1815 completed the race assuming that the male and the female competitors dropped out at the same rate, find the number of the male and female finishers give the ratio male competitors : female competitors 20:13

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?