Hi,

a garden with 400 square feet (area). 

 A = l*w = 400 square feet 

    20*20 , 10*40 , 8*50, few alternatives

If for ex, You wanted it to be 25ft long then width would be 16ft 

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!
 





First off you cannot use  because that says the function  depends on  when in fact the function  depends on both  and .





You can write:











But that doesn't do much for your specific situation where you want the area to be 





The question you want to answer is: Given that the result must be a rectangle with an area of , if I choose a value  for one of the dimensions of the rectangle, what must the other dimension, , be?





Start with









Divide by 











John



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



 

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