SOLUTION: The length of a car park is 120m longer than bits width. The area of the car park is 6400m². How would you represent the width of the car park? How about it's length? What equatio

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Question 1167539: The length of a car park is 120m longer than bits width. The area of the car park is 6400m². How would you represent the width of the car park? How about it's length? What equation represent the area of the car park? How would you use this equation representing nthe area of the car park in finding it's length and width? What is the length of a park? What is the width?
Found 2 solutions by solver91311, ikleyn:
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Let represent the width.

John

My calculator said it, I believe it, that settles it


I > Ø
Answer by ikleyn(52752)   (Show Source): You can put this solution on YOUR website!
.
The length of a car park is 120m longer than bits width. The area of the car park is 6400m².
~~~~~~~~~~~~ 


(1)  How would you represent the width of the car park? 

         W.



(2)  How about it's length? 

         W+120


(3)  What equation represent the area of the car park? 

        W*(W+120) = 6400.


 
(4)  How would you use this equation representing the area of the car park in finding it's length and width? 

       
         Reduce to the standard form quadratic equation.

         Use either the quadratic formula or factoring.




(5)  What is the length of a park? What is the width?


         The width is 40 meters;

         The length is 160 meters.

Solved.



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