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the perimeter of a jamaican flag is 90 inches. the length is twice its width. find the dimensions of the flag

Sagot :

devishri1977

Answer:

width = 15 inches

length = 30 inches

Step-by-step explanation:

Finding the dimensions of a rectangular flag:

[tex]\sf \boxed{\text{\bf Perimeter of rectangle =2*length + 2*width}}[/tex]

  Let width = x inches

     Length =  2*x = 2x inches

                 Perimeter = 90 inches

2 *length  + 2* width = 90

            2*2x  + 2*x     = 90

                   4x + 2x    = 90

Combine like terms,

                             6x = 90

Divide both sides by 6,

                                x = 90/6

                                x = 15

Dimensions:

Width = 15 inches

Length = 2*15 = 30 inches.

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