How do I solve this equation my teacher never taught this but is giving us it for a quiz

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30