A rectangular garden has a walkway surrounding it that is 4 feet wide (a uniform width of 4 feet). The garden’s dimensions are 15ft x 20ft. Explain or show how to find the area of just the walkway and include your answer in ft2. HINT: Draw a picture!

Answer 1

subtract the area of the garden itself from a rectangle outside that is 20 + 4+ 4 long and 15 + 4 + 4 wide

Answer 2

just subtract the area of the garden from the whole area
(15+8)(20+8) - 15*20 = ____