# Granddaughter

In 2014, the sum of the ages of Meghan's aunt, her daughter, and her granddaughter was equal to 100 years. We know the age of each can be expressed as the power of two. In what year was the granddaughter born?

## Correct answer:

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

**arithmetic**- square (second power, quadratic)
- third power
- addition
- subtraction
**basic functions**- reason
**numbers**- natural numbers

### Units of physical quantities:

### Grade of the word problem:

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