Answer :
Answer:
75 in^2
Step-by-step explanation:
L = 3W here. Also, P = 2W + 2L = 40 in here. Subbing 3W for L, we get
2W + 2(3W) = 40, or
2W + 6W = 40, or 8W = 40. Thus, W = 5 in and L = 15 in
and the area is W*L, or 5(15) in^2, or 75 in^2
Answer:
75 in^2
Step-by-step explanation:
L = 3W here. Also, P = 2W + 2L = 40 in here. Subbing 3W for L, we get
2W + 2(3W) = 40, or
2W + 6W = 40, or 8W = 40. Thus, W = 5 in and L = 15 in
and the area is W*L, or 5(15) in^2, or 75 in^2