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The cost C (in dollars) of making a square window with a side length of n inches is represented by C=n^2/5+175. A window costs $355. What is the side length (in feet) of the window?

 Mar 29, 2022
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355 = n2/5 + 175

n2/5  = 180

n  = 434691.61  in   = 36224  feet ....   a very LARGE window !    ( are you sure you copied the equation correctly?)

 

Perhaps you meant    n2 / 5   +  175     then n = 30 inches     =   2.5 feet

 Mar 29, 2022

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