Question

your parents are installing a new square pool in the backyard. the existing patio has a side length of 8 feet. How much of the patio would need to be removed to have a 1-foot walkway around the pool?

Answer 1

15

Explanation:

8 x 8 = 64

8 - 1 = 7

7 x 7 = 49

64 - 49 = 15