SOLUTION: The volume of a rectangular storage box is 1440 in ^3. It is 20 in long, and it is half as tall as it is wide. Find the width and height of the box.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The volume of a rectangular storage box is 1440 in ^3. It is 20 in long, and it is half as tall as it is wide. Find the width and height of the box.      Log On


   

Question 1133500: The volume of a rectangular storage box is 1440 in ^3. It is 20 in long, and it is half as tall as it is wide. Find the width and height of the box.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
length, 20
tall, x
width, 2x
volume, 1440 cubic inches

40x%5E2=1440
.
.
highlight%28x=6%29---------how tall

highlight%2812%29=2x-------width