SOLUTION: the volume of a rectangular box is 240cu units. How do you find the length and width when you have the h=5, w=x, l=x+2

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Question 854417: the volume of a rectangular box is 240cu units. How do you find the length and width when you have the h=5, w=x, l=x+2
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
240 = (x+2)(x)(5)
48 = x^2 + 2x
x^2 + 2x - 48
(x+8)(x-6) = 0 (Tossing out the negative solution for unit measure)
x = 6 units, the width. The length is 8 units
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