Ai giúp mik bài này với mình sẽ cảm ơn và vote 5sao Bµi 4: Trên một xe lửa chở khách người ta tính rằng. Nếu xếp vào mỗi toa 30 người thì còn thừa 6 người, nếu xếp mỗi toa 32 người thì có thể chở thêm 10 người nữa. Hỏi xe lửa có bao nhiêu toa và có bao nhiêu hành khách đi chuyến xe đó

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:. Rewrite these sentences ( Baì tập nâng cao ) 1. There did not use to be many cars on the road before. Now there are………………………………………………………………………………… 2. My brother was a professor at Ha Noi University some years ago, but now he has a job as an enginneer at a big company. My brother used……………………………………………………………………………… 3. Linh walked to school some years ago but now she cycles there. Linh used…………………………………………………………………………………….. 4. My father swam in the pool near his house when he was a boy. My father used……………………………………………………………………………… 5. There are many green trees in front of my house but now it is a big car park. There used…………………………………………………………………………………… 6. I usually stayed up late to watch football matches last year, but now I don’t. I used………………………………………………………………………………………… 7. Linda doesn’t live with her parent any more. Linda………………………………………………………………………………………… 8. My hair is now much longer than that in the past. In the past my hair…………………………………………………………………………… 9. He is not a poor man any more, but he becomes a rich businessman. He used………………………………………………………………………………………. 10. Did you often go to the beach when you lived in Nha Trang? Did you use…………………………………………………………………………………..?