The motion
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Peter walks from the library to school at a speed of 60 m/ min. 2 minutes later, Weiling also leaves for school from the library at a speed of 72 m/min. Weiling arrives at school 4 minutes before Peter. What is the distance between the library and the school ?
Hỏi lúc: 13-12-2018 14:35
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
A truck travelled from Town A to Town B at a speed of 60 km/h. At the same time, A car travelled from Town B to Town A at a speed of 80 km/h. They met 30 km from the mid point of the two towns. Find the distance between the two towns.
Hỏi lúc: 13-12-2018 14:35
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Mark cycled from Town A to Town B. At the same time, Nicky cycled from Town B to Town A. Their speeds were 12km/h and 15 km/h respectively. They met sometimes later at a point 3 km from the mid point of the two towns. What was the distance between Town A and Town B ?
Hỏi lúc: 13-12-2018 14:35
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Tom was walking from the library to the mall. At the same time, Jane was walking from the mall to the library. They met 5 minutes later. Given that their walking speeds were 60 m/min and 50 m/min respectively, what was the distance between the library and the mall ?
Hỏi lúc: 13-12-2018 14:35
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Qiqi cycles to school every morning at a speed of 500 m / min. It takes her 3 minutes to reach school. She cycles home at a speed of 300 m/min. What is her average speed for the whole trip ?
Hỏi lúc: 13-12-2018 14:35
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Car A left Town A for Town B. Car B left Town B for Town A at the same time. The two cars met 4h later.
Find the distance between Town A and Town B, if their travelling speeds were 65km/h and 80 km/h respectively.
Hỏi lúc: 13-12-2018 14:35
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Câu hỏi của Vinastudy - Hệ Thống Giáo Dục Trực Tuyến - Toán lớp 5 | Học trực tuyến
Cindy was going to walk from home to the mall at a speed of 75m/min. If she increased her speed by 15m/min, she would arrive 4 minutes earlier. Find the distance between her house and the mall.
Hỏi lúc: 13-12-2018 14:35