tjaycrawford2963 tjaycrawford2963 16-12-2022 Mathematics contestada U.S. freight railroads currently allow ____ hours of free time for unloading railcars and ____hours of free time for loading railcars.a. 24, 24 b. 24, 48 c. 48, 24 d. 48, 48 Answer: c. 48, 24