In a certain chemical, the ratio of zinc to copper is 3 to 13. A jar of the chemical contains 559 grams of copper. How many grams of zinc does it contain?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons