Question

I need to know how to find the mass and how to get the answer by showing the work.

Answer 1

1 ft = 12 in
6 in = 6/12 = 0.5 ft
9 in = 9/12 = 0.75 ft

D = M/V  ⇒  M = DV

V = 0.5 * 0.5 * 0.75 = 0.1875 cubic foot
M = 41.7 * 0.1875 ≈ 7.8 pounds

Answer: B. 

Answer 2

it is B) 7.8

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