The length of a rectangular deck is 5 times it’s width. If the decks perimeter is 36feet, what is the deck area?
2 answers:
Answer:
45
Step-by-step explanation:
P = 2(L+W)
36 = 2(5W + W)
36 = 10W + 2W
36 = 12W
W = 3
5W = 5(3) = 15
15 x 3 = 45
Let L = length and W = Width
L = 5W
2(L + W) = 36
5W + W = 18 => 6W = 18 and W = 3, L = 15
A = LW = 4
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