Developing an Equation from Average Costs Tucker Pups Pet Resort offers dog boarding services in Chicago. Assume that in March, when dog-days occupancy was at an annual low of 150 days, the average cost per dog-day was $65. In July, when dog-days were at a capacity level of 600, the average cost per dog-day was $20.

(a) Develop an equation for monthly operating costs. Total cost = $---------- + $------------* X