Chelsea and Micaela each improved their yards by planting grass sod and ivy. They bought their supplies from the same store. Chelsea spent $120 on 12 ft of grass sod and 8 pots of ivy.
Micaela spent $48 on 6 ft of grass sod and 3 pots of ivy. What is the cost of one ft of grass sod
and the cost of one pot of ivy?