# Original 18203

There is a cube with an edge. How long must the cube's edge be in which the volume should be twice the volume of the original cube?

### Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**algebra**- expression of a variable from the formula
**arithmetic**- square root
- square (second power, quadratic)
- third power
- exponentiation
**solid geometry**- cube

#### Units of physical quantities:

#### Grade of the word problem:

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