A car traveled frow Ato B in 30 minutes.The first half of th

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A car traveled frow Ato B in 30 minutes.The first half of the trip was covered at 50 mph cold the
A car traveled form A to B in 30minutes .The first half of the trip was covered at 50 mph,cold the second half at 60 mph .What was the averagespeed?

一辆车从A地到B地需要30分钟.前半程速度50英里每小时,后半程60英里每小时,平均速度是多少?

A car traveled frow Ato B in 30 minutes.The first half of th A car traveled from A to B in 30 minutes.The first half of t I traveled in a car for the first time in my life【英译汉】 It was half in and half __ of the car.A.in B.on C.out D.off 英语翻译We will be meeting in this room for the first half of th in the first half of january.急用 in the first half Join the first half of the sentences in column A with the se 还是英语翻译!哎……The lights dim. In the first 20 minutes of a movie January is ___month in a year A:first B:the first C:one D:th in the second half of the 19th century in the first half of the decade是何意思?