june regents 2007 question 24

[natasha92]

Denise is designing a storage box in the shape of a cube. Each side of the box has a length of 10 inches .She needs more room and decides to construct a larger box in the shape of a cube with a volume of 2,000 cubic inches. By how many inches, to the nearest tenth, she increase the length of each side of the original box?

i forgot how to find the volume of a cube .

 

[wjm11]

Denise is designing a storage box in the shape of a cube. Each side of the box has a length of 10 inches .She needs more room and decides to construct a larger box in the shape of a cube with a volume of 2,000 cubic inches. By how many inches, to the nearest tenth, she increase the length of each side of the original box?

i forgot how to find the volume of a cube .

For any rectangular box, the volume is

V = L x W x H

For a cube, L, W, and H are all equal, so we could call the length of a side "s", and the volume formula would be

V = s^3

In this case, V = 2000, so

2000 = s^3