Common denominator for 3/10 a d 1/2

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.

Aportion of a line bounded by two points is defined as

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?