Relax

Respuesta :

lest assume Length=y and Width=x
y=2x

p=2(x+y)
86=2(x+2x)
86/2= 3x

Now we know that x has been decreased by 5
therefore we replace x by x-5

43=3(x-5)
43=3x-15
58=3x
x=19.3

if the width is 19.3
the length is 38.6

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