safety regulations require that the time between airplane takeoffs $($on the same runway$)$ will be at least $2$ minutes. WHen taking off, the run time of an airplane on the runway is $33$ seconds. PLanes are an average waiting $3$ miinutes and $57$ secondssafety regulations require that the time between airplane takeoffs $($on the same runway$)$ will be at least $2$ minutes. WHen taking off, the run time of an airplane on the runway is $33$ seconds. PLanes are an average waiting $3$ miinutes and $57$ seconds