作业帮1.There were two places ：A and B ,a fast car stated form A a
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1.There were two places ：A and B ,a fast car stated form A and a slow car started from B ,they started at the same time ,we know the speed of the fast car was 40 miles/h
three hours later,the fast car was 25miles far away from the middle point and 7miles far away from the slow car .Question:how many miles didthe slow car travel pel hour
three hours later,the fast car was 25miles far away from the middle point and 7miles far away from the slow car .Question:how many miles didthe slow car travel pel hour
Three hours later,the fast car has traveled 40mile/h*3=120mile
It is 25miles far away from the middle point,so the middle point is 95mile from A,while B is 190mile from A.
Now,B is 113mile from A,so B is traveling toward A,and has traveled 190-113=77mile.and the speed of slow car is 77/3=25.667mile/h.
再问： 这是什么？
再答： 你是要用英语回答还是中文啊？那你问的问题怎么是英语 三个小时后，汽车走了40英里/小时* 3 =120英里 因为是25英里远离中间点，所以中间点是距离A95英里，而B距离A190英里 现在，慢车距离A113英里，因此慢车从B驶向A，并走了190-113=77英里。慢车速为77/ 3 =25.667英里/小时
It is 25miles far away from the middle point,so the middle point is 95mile from A,while B is 190mile from A.
Now,B is 113mile from A,so B is traveling toward A,and has traveled 190-113=77mile.and the speed of slow car is 77/3=25.667mile/h.
再问： 这是什么？
再答： 你是要用英语回答还是中文啊？那你问的问题怎么是英语 三个小时后，汽车走了40英里/小时* 3 =120英里 因为是25英里远离中间点，所以中间点是距离A95英里，而B距离A190英里 现在，慢车距离A113英里，因此慢车从B驶向A，并走了190-113=77英里。慢车速为77/ 3 =25.667英里/小时
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