alkhalidisara alkhalidisara

18-09-2019
Mathematics

contestada

The height of a rectangular box is 5 . The length is 5 longer than fourfold the width . The volume is 420
the equation is ..............

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jeannou270 jeannou270

18-09-2019

To find the volume, the equation is
L×H×W=V
You can now put you numbers in the equation
L×5×H=420
If is L is 5 longer than 4W, L=4W+5
So
(4x+5)×(5)×(x) = 420
Now you remove your 5
(4x+5)×(x) = 84
You now have (5x+5)=84
5x=79
x=15.8

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