Can some one please help me!!! I really don't understand and plz explain

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asked May 16, 2018 70.3k views

1 Answer

ZachS · Answer 1 · 2018-05-22T17:56:31+0000

length = l
width = 1/3 of length = l/3

perimeter = 2(l + l/3)
Answer is option B

-----------------------------------
2(l+ l/3) = 56
⇒ 8l/3 = 56
⇒ l = 3*56/8
⇒ l = 21 inch
width = 21/3 = 7inch

Area = 21*7 inch² = 147 inch²

Can some one please help me!!! I really don't understand and plz explain

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