A Brass Box Is in the Shape of a Cube

Multiple Choice

A brass box is in the shape of a cube. The coefficient of linear thermal expansion is 19 × 10⁻⁶/°C. If the temperature of the box is increased by 20°C, then what is the fractional change in the volume of the box?

A) 0.08%
B) 0.11%
C) 0.15%
D) 0.25%
E) 0.30%