If the density of the wood is 3 lbs per cubic foot and if the weight of the solid is 360 lbs, what is the width, w, in feet of the solid ?
(A) 5.0
(B) 2.5
(C) 2.4
(D) 1.5
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(A) 5.0
(B) 2.5
(C) 2.4
(D) 1.5
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Verified answer
Weight / Density = Volume
V = 360 / 3 = 120
The width = 120^(1/3)
= 4.932424148660940... feet
= 5.0 (rounded to the nearest one (1))
Answer choice:
(A) 5.0