The dimensions of an open box are 50 cm, 40 cm, and 23 cm. It's thickness is 3 cm. If 1 cubic cm of metal used in the box weighs 0.5 gms, find the weight of the box.
A. 6.2 kg
B. 12 kg
C. 7.99 kg
D. 8.04 kg
Answer is D. How?
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Volume of the metal used in the box = External Volume - Internal Volume
= [(50 x 40 x 23) - (44 x 34 x 20)] cu.cm
= 16080 cu.cm
Weight of the metal =[(16080 x 0.5)/1000] kg = 8.04 kg.
please mark my answer as brainliest
= [(50 x 40 x 23) - (44 x 34 x 20)] cu.cm
= 16080 cu.cm
Weight of the metal =[(16080 x 0.5)/1000] kg = 8.04 kg.
please mark my answer as brainliest
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