The length of each edge of a cube is decreased by . By what percent does the volume of the cube decrease? Express your answer to the nearest tenth.
The length of each edge of a cube is decreased by 40%.By what percent does the volume of the cube decrease? Express your answer to the nearest tenth.
Volume of a cube is side s^3.
thus (0.6s)^3 = 0.216 * s^3.
Thus we have 216/1000 = 21.6% remaining so 78.4% decreased.
I think.
Or.
10cm/side.
1000 cm^3.
6^3 = 216.
Yup.
If you don't understand anything feel free to ask.