Answer:Step-by-step explanation:The equation is y = 225 - 60xy is the distance from Seattlex is the number of driving hours.At the start of the journey, x = 0. y = 225 - 60*0Therefore he has 225 miles to go.====================The change for every hour is the slope of the equation, which is - 60. So the answer to the second part is - 60