A local bakery sells doughnuts by the dozen only. The first dozen cost $8.00 . Each dozen after that cost $6.50. Mario needs 16 dozen doughnuts for a fundraiser breakfast at his school. This information is displayed in the equation above, where n represents the number of dozens of doughnuts Mario purchased and c is the total cost of the doughnuts. PLEASE HELP ME WITH THIS PROBLEM ASAP! THKS!