walking at 5 / 6 th of its usual speed a cab is 8 mnts late . find its usual time to cover the journey ?
"new speed = 5 / 6 th of usual speed new time = 6 / 5 th of usual time 6 / 5 ut - ut = 8 m ut / 5 = 8 m ut = 40 m answer is c"
multiply(5, 8)