A hot air balloon has a volume of 2800 m^3 at 99°C. What is the volume if the air cools to 80°C?

A hot air balloon has a volume of 2800 m^3 at 99°C. What is the volume if the air cools to 80°C?
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A hot air balloon has a volume of 2800 m3 at 99°C. What is the volume if the air cools to 80°C?
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