Question

The length of a cot is 2.5 ft more than twice its width. Find its perimeter in terms of its width. Assume that the width of the cot is w ft.

Answer 1

Answer:

( 4w + 10 ) ft

Step-by-step explanation:

Length of cot = ( 2w + 2.5 ) ft

Breadth of the cot = 2.5 ft

Perimeter of cot = 2(l + b) = 2 ((2w + 2.5) + 2.5) ft = 2(2w + 5) ft = ( 4w + 10 ) ft                                                                                  

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Answer 2

Answer:

5+6w ft

Step-by-step explanation:

Let the width of the cot be w

Length of the cot  = 2.5 ft + 2w (twice the width is 2*w)

Width of the cot    = w

Perimeter of a rectangle = 2(l+b)

                                            2(2.5 + 2w +w)

                                            2(2.5+3w)

                                            2*2.5 +2*3w

                                            5+6w        

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