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GSM8K test #856 · Algebra · Algebra word problems

I am three years younger than my brother, and I am 2…

I am three years younger than my brother, and I am 2 years older than my sister. My mom's age is one less than three times my brother's age. When you add all our ages, you get 87. How old am I?

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GSM8K — Grade School Math 8K (Cobbe et al., OpenAI, 2021) · test #856

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