Question 1127660


{{{ LWH = 48 }}}
Using L=2W and H=W+4:
{{{ (2W)(W)(W+4) = 48 }}}
{{{  2W^3 + 8W^2 = 48 }}} 
{{{  W^3 + 4W^2 - 24 = 0 }}}<br>

The only real valued solution is W=2 

W=2 —> L=4  
W=2 —> H=6

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Ans:  W=2in, L=4in, H=6in
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Check:  2*4*6 = 48