Natalie and Shriya each improved their yards by planting grass and ivy. They bought their supplies from the same store on the same day. Natalie spent $71 on 7 ft2 of sod and 11 pots of ivy. Shriya spent $76 on 8 ft2 of sod and 10 pots of ivy. Find the cost of one ft2 of sod and the cost of one pot of ivy.
