SOLUTION: The length of a rectangular box is 2 times its width, and its height is 3 inches more than its width. The volume of the box is 86 in^3 . find the width of the box and round the

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The length of a rectangular box is 2 times its width, and its height is 3 inches more than its width. The volume of the box is 86 in^3 . find the width of the box and round the      Log On


   



Question 1149494: The length of a rectangular box is 2 times its width, and its height is 3 inches more than its width. The volume of the box is 86 in^3 .
find the width of the box and round the answer to two decimal places.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The length of a rectangular box is 2 times its width, and its height is 3 inches more than its width. The volume of the box is 86 in^3 .
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L = 2W
H = W + 3
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W*2W*(W + 3) = 86
Solve for W