Lena is driving to Chicago. Let y represent her distance from Chicago (in miles). Let x represent the time she has been driving (in hours). Suppose that x and y are related by the equation y 325-60x. Answer the questions below. Note that a change can be an increase or a decrease. For an increase, use a positive number. For a decrease, use a negative number. What was Lena's distance from Chicago when she began her drive? miles What is the change in Lena's distance from Chicago for each hour she drives? miles