document.write( "Question 1053161: The speed of sound in dry air at 20 degrees Celsius (68 degrees Fahrenheit) is 768 mph. Convert to feet per second. \n" ); document.write( "
Algebra.Com's Answer #668410 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "One mile per hour is 5280 feet per 3600 seconds. So \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " ![]() \n" ); document.write( " |