document.write( "Question 791024: The x-30 is a space plane that skims the edge of space at 4000 miles per hour. circumfrance of earth is appox. 25,000 miles, how long will it take for the x-30 to travel around earth?
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Algebra.Com's Answer #479367 by Cromlix(4381)\"\" \"About 
You can put this solution on YOUR website!
Distance/Speed = Time
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