GSM8K train #2050 · Arithmetic · Ratio & rate
Mark and his sister Chris both leave their house for school at…
Mark and his sister Chris both leave their house for school at the same time. Mark travels at the same speed as Chris, who walks 3 miles per hour. After walking 3 miles Mark has to turn around and go home because he forgot his lunch. If the distance from their house to the school is 9 miles, how much longer does Mark spend walking than Chris?
GSM8K — Grade School Math 8K (Cobbe et al., OpenAI, 2021) · train #2050
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