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I need help please, I have no idea what to do, my brain's dead​

I Need Help Please I Have No Idea What To Do My Brains Dead class=

Sagot :

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Answer:

width = 6 units

length = 18 units

Step-by-step explanation:

P=2(l+w)

P=2(3w+w)

48=6w+2w

8w=48

w=6

width is therefore 6units and length 3w = 18units