Question

the width of rectangle is two-third of it length. if perimeter of the reactangle is 80m. find its area​

Answer 1

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Answer 2

Let the length of rec. = x
Breadth =2/3x
Perimeter of rec. =2(l+b)
80m=2(x+2/3x)
80m=2x+4/3x
80m=10x/3
80*3=10x
240=10x
240/10=x14=x