The width of the rectangular box will be 8cm
Given that the formula for calculating the volume of a rectangular box is expressed as:
[tex]V=lwh[/tex]
L is the length
w is the width
h is the height
Get the "value of "w
[tex]V = lwh\\w=\frac{V}{lh}[/tex]
Given the following parameters
Length l = 3 cm
Volume V = 120cm³
Height = 5cm
Get the width of the box as shown:
[tex]w=\frac{V}{lh}\\w=\frac{120}{3\times 5}\\w=\frac{120}{15}\\w= 8cm[/tex]
Hence the width of the rectangular box will be 8cm
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