Amy made 25,000 in taxable income last year. Suppose the income tax rate is 10% for the first 7500 plus 16% for the amount over 7500. How much must Amy pay in income tax for last year?

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?