The perimeter of a rectangle is 122 m. The length of the rectangle is 11 m less than 5 times the width. Find the dimensions of the rectangle.

Question

Mathematics

Quinton Pierce

5 June, 06:33

The perimeter of a rectangle is 122 m. The length of the rectangle is 11 m less than 5 times the width. Find the dimensions of the rectangle.

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Answers (1)

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Rhys Ellis · Answer 1

let x be the width

and 5x-11 the length

so the equation is:

5x-11+x+5x-11+x=122

12x-22=122

12x=144

x=12

so width is 12 and so lenght is 5*12-11=49

and now u can check 49+12+49+12=122