A space plane skims the edge of space at 4000 miles per

Last updated: 7/20/2022

A space plane skims the edge of space at 4000 miles per hour. Neglecting altitude, if the circumference of the planet is approximately 20,000 miles, how long will it take for the plane to travel around the planet? How long will it take for the plane to travel around the planet? It will take__for a plane to travel around the planet. (Type an integer or a decimal.)