Pack-Em-In has another development in the works. If it builds 30 houses in this development, it will be able to sell them at $210,000 each, but if it builds 110 houses, it will get only $130,000 each. Obtain a linear demand equation. (Let p be the price of a house and q the number of houses.) p(q) = Determine how many houses it should build to get the largest revenue? houses What is the largest possible revenue