Question 880264: The formula for the surface area of an open topped rectangular box is S= LW + 2LH + 2WH where S,H,W, and L represent surface area, height, width, and length, respectively. solve this formula for W.
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website! The formula for the surface area of an open topped rectangular box is:
S = LW + 2LH + 2WH where S,H,W, and L represent surface area, height, width, and length, respectively.
solve this formula for W.
;
LW + 2LH + 2WH = S
LW + 2WH = S - 2LH
factor out W
W(L + 2H) = S - 2LH
divide both sides by (L+2H)
W = 
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