Question: The air inside a hot-air balloon has an average temperature of 79.2 C. The outside air has a temperature of 20.3 C. What is the

The air inside a hot-air balloon has an average temperature of 79.2 °C. The outside air has a temperature of 20.3 °C. What is the ratio of the density of air in the balloon to the density of air in the surrounding atmosphere?

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