Respuesta :

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Answer:

solution,

let width of the rectangle be x then,

length(l)=4x

Area(A)=25l

now,

area of rectangle = 4x×x

  1. 25×(4x)= 4x square
  2. 100x= 4xsquare
  3. x=25 units

Step-by-step explanation:

in 2nd step one x cancel another in opposite side of =