Keya is training for a duathlon competition comprised of running and biking. Her training involves running for LaTeX: RR minutes and biking for LaTeX: BB minutes. The expression LaTeX: 100R+300B100 R + 300 B is the total distance, in meters, that Keya travels during her training. If Keya runs for 30 minutes and bikes for 60 minutes, what is the total distance Keya travels?