Answer:
(d) 76 +8c +8w
Explanation:
You want the perimeter of a wood deck if it has width w and is situated outside a concrete walk of width c around a pool that is 24 ft by 14 ft.
Side lengths
The length of one side of the deck is ...
L = 24 +2c +2w
The width of one side of the deck is ...
W = 14 +2c +2w
Perimeter
The perimeter is found using the formula ...
P = 2(L+W)
P = 2((24 +2c +2w) +(14 +2c +2w))
P = 2(38 +4c +4w)
P = 76 +8c +8w
An expression for the perimeter of the wood deck is 76 +8c +8w.
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