英语翻译in a ferry pier,ferries set off for islands A,B,and C ev
英语翻译
in a ferry pier,ferries set off for islands A,B,and C every 25,45 and 75 minutes respectively .At 10:00a.m.,feeries set off from the pier for all the three islands .When will ther set off again if the ferry services end at 11:00p.m.every days?list all the possible cases.