The one-mile running time for female high-school athletes in Florida, US can be modeled according to the normal distribution with an average of 7.2 minutes (that is, 7 minutes and 12 seconds) and a standard deviation of 0.45 minutes (or equivalently, 27 seconds). Among this group of athletes, the 5% slowest will be placed under additional trainings. What is the cut-off time (in minutes and seconds) for the 5% slowest runners?