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SAT数学题When it is noon eastern standard time (EST) in New Yor

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SAT数学题
When it is noon eastern standard time (EST) in New York City ,it is 9:00A.M.Pacific standard time (PST) in San Francisco .A plane took off from New York City at noon EST and arrived in San Francisco at 4:00 P.M.PST and took exactly the same amount of time for the trip ,what was the plane's arrival time (EST) in New York City
SAT数学题When it is noon eastern standard time (EST) in New Yor
当用东部时间的纽约在中午十二点的时候,用太平洋时间的旧金山时间为早上九点.一架飞机从纽约起飞,起飞时间是东部时间中午十二点,到达旧金山的时间是太平洋时间下午四点.立马折回去,飞行时间一样,请问什么时候到达纽约(东部标准时间)?
东部时间十二点起飞,太平洋时间四点到,实际用时七个小时,在折回去又要花七个小时,所这一来一回花了14个小时.从第一次起飞(纽约时间)算起,共花费14小时,所以飞回去的时间点是12(noon)+14h=26h,也就是第二天的2:00A.M.