Respuesta :

Answer:

331.3

Explanation:

Result (w/surrounding text)

The World Book Encyclopedia. Vol 18. Chicago: World Book, 1995 . "Sound travels 1,268 feet (386 meters) per second through air at 212 °F (100 °C)."

Speed of Sound. Hyperphysics. Carl R. Nave. Georgia State University. "Air, Temperature 0 °C, 331.5 m/s"

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