### Brain Teasers

# How old is Sarah?

Sarah went to get her drivers license. When asked her age, she replied: "My age today is three times what it will be three years from now minus three times what my age was three years ago." How old is Sarah?

### Answer

Sarah is 18.If she is 18, then three times her age three years from now would be 21*3 (63). Three times her age three years ago would be 15*3 (45). Subtract 45 from 63 and she is 18.

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