Castel and Huong each improved their yards by planting grass sod and ornamental grass. They bought their supplies from the same store. Castel spent $144 on 6 ft²
of grass sod and 9 bunches of ornamental grass. Huong spent $151 on 9 ft' of grass sod and 7 bunches of ornamental grass. What is the cost of one ft' of grass sod
and the cost of one bunch of ornamental grass?
The cost of one ft' of grass sod is $ [Select]
and the cost of one bunch of ornamental grass is $ [Select]
