Marcu Robinon bought an older houe and want to put in a new concrete patio. The patio will be 15 feet long, 9 feet wide, and 3 inche thick. Concrete i meaured by the cubic yard. One ack of dry cement mix cot $5. 20, and it take four ack to mix up 1 cubic yard of concrete. How much will it cot Marcu to buy the cement? (Round your anwer to the nearet cent. )
