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The length of your family's garden is 12 feet greater than the width. The area of the garden is 108 square feet. What are the dimensions of the garden?
8 feet and 20 feet
3 feet and 15 feet
4 feet and 16 feet
6 feet and 18 feet

Respuesta :

Answer:

6 ft and 18 ft

Step-by-step explanation:

let width be x

let length be  x + 12

W times L = Area

x ( x  +  12) = 108

x^2  +  12x  =  108

x^2  + 12x - 108 = 0

(x   +   18)   (x - 6) = 0

x = -18   or   x  +  6

We use 6 ( since x is negative)

So width is 6

Length is 18

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