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GSM8K train #6215 · Arithmetic · Averages

Three planes are going to the same place but each has a…

Three planes are going to the same place but each has a different number of passengers. The first plane has 50, the second had 60, and the third has 40. An empty plane can go 600 MPH, but each passenger makes it go 2 MPH slower. What is their average speed?

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GSM8K — Grade School Math 8K (Cobbe et al., OpenAI, 2021) · train #6215

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