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22-08-2017
Mathematics

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I'm so lost!!! Help please! I really want to know how to do this for future. Anything would help! (Question 8)

Im so lost Help please I really want to know how to do this for future Anything would help Question 8 class=

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kphung76127 kphung76127

22-08-2017

Perimeter= 2l+2w

126= 2l+2w
l=2w

Substitute the value for l
126= 2(2w)+2w
126= 4w+2w
126=6w
21=w

Plug the value for w in to find l
l=2(21)
l=42

Final answer: Length-42 ft, Width-21 ft

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