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Select the two answer choices that apply.?
Select the two answer choices that apply.
1 Answer
- PuzzlingLv 71 month agoFavorite Answer
What's the new width? It's 6 ft. plus the width of two walkways (w ft. each)
6 + 2w
What's the new length? It's 10 ft. plus the width of two walkways (w ft. each)
10 + 2w
The perimeter is made up of two widths and two lengths:
P = 2(6 + 2w) + 2(10 + 2w)
That's answer B
You could also expand it out:
6 + 2w = 6 + w + w
10 + 2w = 10 + w + w
P = (6 + w + w) + (6 + w + w) + (10 + w + w) + (10 + w + w)
= 6 + 6 + 10 + 10 + w + w + w + w + w + w + w + w
That's answer D
Typically we would simplify either expression down to something simpler:
32 + 8w
