20) Shawna and Kathryn each improved their yards by planting grass sod and geraniums. They bought their supplies from the same store. Shawna spent $60 on 12 ft^2 of grass sod and 8 geraniums. Kathryn spent $33 on 2 ft^2 of grass sod and 9 geraniums. What is the cost of one ft^2 of grass sod and the cost of one geranium? A) ft^2 of grass sod: $3, geranium: $3
B) ft^2 of grass sod: $5, geranium: $I
C) ft^2 of grass sod: $2, geranium: $4
D) ft^2 of grass sod: $4, geranium: $5