a survey of adults aged 18 to 23 years old by gallup, inc. found that 51% live with their parents. The margin of error is 2%. let y be the actual percent. find the range of adults aged 18 to 23 who live with their parents.

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?