Answer:
9 bags
Explanation:
We need to find the area of the putting green with a radius of 30 ft
A = pi r^2
A = 3.14 (30)^2
A =2826 ft^2
Each bag will cover 315 ft^2
Divide the area by 315 ft^2 to determine the number of bags
2826/315 =8.971428571 bags
Rounding up to the nearest bag
9 bags