 
 <translate> Speed = 45 * 5/18 = 25/2 m/sec
Total distance covered = 410 + 140 = 550 m
Required time = 550 * 2/25 = 44 sec <ibo> Speed = 45 * 5/18 = 25/2 m/sec Ngụkọta ebe e mere njem = 410 + 140 = 550 m Oge achọrọ = 550 * 2/25 = 44 sec 