7) Ryan and Kathryn each improved their yards by planting grass sod and shrubs. They bought their
supplies from the same store. Ryan spent $102 on 6 ft- of grass sod and 12 shrubs. Kathryn
spent $29 on 1 ft of grass sod and 4 shrubs. Find the cost of one ftof grass sod and the cost of
one shrub.
