Three police cars patrol at 15th avenue every 30, 45, 60 minutes.if they meet at the corner of 15th avenue at 9:30 pm, by what time will they meet again?
12:30 am, after 180 minutes.
Three police cars patrol at 15th avenue every 30, 45, 60 minutes.if they meet at the corner of 15th avenue at 9:30 pm, by what time will they meet again?
12:30 am, after 180 minutes.
