# Expansion

If one side of the rectangle is larger 2-times and the second 4-times, what percentage increases the area of the rectangle?

## Correct answer:

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

**planimetrics**- area of a shape
- rectangle
**basic functions**- ratio
- percentages
- direct proportionality
**numbers**- rational numbers

### Units of physical quantities:

### Grade of the word problem:

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