SOLUTION: The height of a rectangular box is 4 times its length, and its width is 5ft more than its length. The volume of the box is 96ft3. Find the length of the box. Round your answer to

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The height of a rectangular box is 4 times its length, and its width is 5ft more than its length. The volume of the box is 96ft3. Find the length of the box. Round your answer to      Log On

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Question 1048700: The height of a rectangular box is 4 times its length, and its width is 5ft
more than its length. The volume of the box is 96ft3. Find the length of the box. Round your answer to two decimal places.
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Literal Translation;

height, 4x
width, 5+x
volume, x(x+5)(4x)
volume, 96 cubic feet

But then solve for x. Either factoring or Rational Roots Theorem, otherwise some approximation method or use graphing tool.