The manufacture of a metal cube (cost) 

The manufacture of a metal cube with a side of 2 centimeters costs $40. What is the cost, in dollars, of making a cube of the same material, but 3 centimeters on a side?
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1 Answer

cube side=2cm

cost=$40

volume of cube=2x2x2=8cm^3

cost per cm^3=40/8=$5

cube side=3cm

volume of cube=3x3x3=27cm^3

cost of manufacturing=27x5=$135
by Level 8 User (32.3k points)

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